Timeline · Therapy101

A timeline of psychotherapy and counselling

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Moral treatment, hypnosis & early clinics · up to 1894

Philosophical consolation, asylum reform, moral treatment, hypnotism, suggestion, and early dynamic theories of dissociation before formal psychotherapy schools.

    Read the 14 entries in precursors

    Psychoanalysis, talking cures & early schools · 1895 to 1939

    Psychoanalysis, rational persuasion, psychological clinics, individual and analytical psychology, psychodrama, play technique, character analysis, and early cultural critiques.

      Read the 26 entries in foundations

      Humanistic, behavioural & group turns · 1940 to 1969

      Client-centred counselling, existential logotherapy, Gestalt therapy, group analysis, therapeutic communities, systematic desensitisation, attachment theory, and early cognitive therapy.

      1. (link to this entry)

        The Controversial Discussions at the British Psychoanalytical Society

        Between 1942 and 1944, members of the British Psychoanalytical Society held a series of formal scientific meetings to debate Melanie Klein's theories of early object relations, unconscious phantasy, and child analysis against the positions of Anna Freud and her Viennese colleagues.

        British Psychoanalytical Society: History and the Controversial Discussions

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        Why it matters

        Rather than splitting into rival organisations, the Society reached a training governance agreement that recognised Kleinian, Anna Freudian, and non-aligned Middle Group (later Independent) traditions under one institutional roof.

        In psychotherapy and counselling

        The debates clarified enduring clinical differences around early transference interpretation, the internal object world, ego defences, and the developmental timing of analytical work with children and adults.

        Important context and scope

        Although anchored to 1942 when the formal series began, the scientific meetings continued until 1944 and the administrative training compromise was formalised in 1946. Scientific discussions held at the British Psychoanalytical Society between October 1942 and May 1944

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      2. (link to this entry)

        Carl R. Rogers publishes Counseling and Psychotherapy

        Carl R. Rogers published Counseling and Psychotherapy: Newer Concepts in Practice, setting out a non-directive approach to counselling alongside a complete verbatim transcript of a phonographically recorded therapy case.

        Library of Congress: Carl R. Rogers Papers finding aid

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        Why it matters

        The book shifted clinical authority away from diagnostic advice-giving toward the client's capacity for self-understanding and introduced verbatim audio transcription as an empirical tool for studying therapeutic process.

        In psychotherapy and counselling

        Non-directive counselling emphasised careful listening, acceptance, and reflection of feeling rather than interpretation, advice, or persuasion.

        Important context and scope

        This volume represents an early formulation that Rogers later revised into client-centred and person-centred therapy; audio recording had precedents in late 1930s research, though Rogers made full-case transcription central to training and research. Published by Houghton Mifflin in late 1942

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      3. (link to this entry)

        A psychoanalytic group forms in São Paulo

        On 5 June 1944, six practitioners led by Durval Marcondes, including training analyst Adelheid Lucy Koch and Virgínia Leone Bicudo, formalised the founding of the Grupo Psicanalítico de São Paulo.

        Instituto Durval Marcondes (SBPSP): institutional history

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        Why it matters

        The group created the first institutional structure for psychoanalytic training in Brazil and in Latin America to include figures such as Virgínia Leone Bicudo, one of the earliest Black women psychoanalysts and public mental health educators in the region.

        In psychotherapy and counselling

        Guided by Adelheid Koch's training analyses after her emigration from Berlin, the group established tripartite analytic training combining personal analysis, seminar study, and supervised clinical work.

        Important context and scope

        A retrospective institutional history; its later recognition as a full component society of the International Psychoanalytical Association in 1951 and the institute's formal establishment are separate events. Founding meeting recorded on 5 June 1944; provisional IPA recognition followed in 1945 and definitive recognition in 1951

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        Institutional or policy milestone

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      4. (link to this entry)

        Viktor E. Frankl publishes ...trotzdem Ja zum Leben sagen

        Viennese neurologist and psychiatrist Viktor E. Frankl published ...trotzdem Ja zum Leben sagen: Ein Psychologe erlebt das Konzentrationslager, combining an account of survival in Nazi concentration camps with an outline of logotherapy.

        Viktor Frankl Institute Vienna: Life and Work chronology

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        Why it matters

        The book brought existential questions of meaning, responsibility, and suffering into the centre of twentieth-century psychotherapy and reached a massive international readership once translated as Man's Search for Meaning.

        In psychotherapy and counselling

        Logotherapy oriented clinical work around the 'will to meaning', existential vacuum, and techniques such as paradoxical intention and dereflection.

        Important context and scope

        Frankl had begun developing existential analysis and the term logotherapy in Vienna during the 1930s prior to his deportation; the 1946 book is a post-war synthesis and testimony rather than the sole origin of his clinical approach. First German edition published in Vienna in 1946; English translation published in 1959 and retitled Man's Search for Meaning in 1962

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      5. (link to this entry)

        The Northside Center is founded

        Psychologists Mamie Phipps Clark and Kenneth B. Clark founded the Northside Testing and Consultation Center, soon renamed the Northside Center for Child Development, in Harlem, New York.

        Northside Center for Child Development history

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        Why it matters

        Northside provided full-scale psychological testing, child therapy, family casework, and remedial education in an underserved Black community while directly challenging racist assumptions in municipal mental health and special education placement.

        In psychotherapy and counselling

        Its multidisciplinary model combined psychodynamic child psychotherapy, psychiatric social work, paediatric care, and educational consultation that recognised the psychological toll of racial segregation and economic deprivation.

        Important context and scope

        An institutional event in the history of child mental health services; the Clarks' experimental doll studies on racial identification were conducted earlier between 1939 and 1940 and later cited in Brown v. Board of Education (1954). Opened in March 1946 in Harlem, New York

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      6. (link to this entry)

        S. H. Foulkes publishes Introduction to Group-Analytic Psychotherapy

        Drawing on his wartime psychiatric work at Northfield Military Hospital in Birmingham and private group practice in Exeter, S. H. Foulkes published Introduction to Group-Analytic Psychotherapy: Studies in the Social Integration of Individuals and Groups.

        Group Analytic Society International: S. H. Foulkes history

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        Why it matters

        The book laid the theoretical and technical foundations of British group analysis and preceded the founding of the Group Analytic Society in London in 1952.

        In psychotherapy and counselling

        Foulkes conceptualised the therapy group as a communicative 'matrix' in which the conductor facilitates free-floating discussion so that therapy is conducted by the group itself, including its conductor.

        Important context and scope

        Foulkes's work emerged alongside parallel group initiatives in the United Kingdom and the United States by figures such as Wilfred Bion, Rickman, Trigant Burrow, Paul Schilder, and Alexander Wolf. Published by William Heinemann Medical Books in London in 1948

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      7. (link to this entry)

        The Boulder Conference defines the scientist-practitioner training model

        In 1949, participants met at the University of Colorado in Boulder to discuss graduate training in clinical psychology. Supported by the United States Public Health Service and organised by the American Psychological Association, the conference produced recommendations later associated with the scientist-practitioner model.

        Baker & Benjamin (2000), The affirmation of the scientist-practitioner: A look back at Boulder (American Psychologist)

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        Why it matters

        The conference influenced doctoral training in clinical psychology by linking preparation for research and clinical practice, including assessment and intervention.

        In psychotherapy and counselling

        The scientist-practitioner model envisaged doctoral training in both research and clinical work. The balance between these roles has remained a subject of debate.

        Important context and scope

        The model influenced clinical psychology training in the United States and Canada. The 1973 Vail Conference endorsed an alternative practitioner-scholar approach and the Doctor of Psychology degree. Held in August and early September 1949 in Boulder, Colorado; the conference report was published in 1950.

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      8. (link to this entry)

        Dollard and Miller publish Personality and Psychotherapy

        Yale researchers John Dollard and Neal E. Miller published Personality and Psychotherapy: An Analysis in Terms of Learning, Thinking, and Culture, reformulating psychoanalytic concepts of neurosis, repression, conflict, and transference in the vocabulary of Clark Hull's drive-reduction learning theory.

        APA PsycNet record: Personality and Psychotherapy (Dollard and Miller, 1950)

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        Why it matters

        The book built an influential conceptual bridge between clinic-based psychodynamic psychotherapy and academic experimental psychology, demonstrating that therapeutic processes could be analysed as learned habits and cue-producing responses.

        In psychotherapy and counselling

        By framing symptoms as learned avoidance responses and therapy as a setting where extinguished fears allow new adaptive labelling and problem-solving, the text anticipated behavioural and cognitive-behavioural models of exposure and cognitive mediation.

        Important context and scope

        Dollard and Miller sought to integrate rather than replace psychoanalysis; later behaviour therapists in the late 1950s broke more sharply with psychodynamic theory in favour of direct conditioning interventions. Published by McGraw-Hill in 1950

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      9. (link to this entry)

        Perls, Hefferline, and Goodman publish Gestalt Therapy

        Frederick (Fritz) Perls, Ralph F. Hefferline, and Paul Goodman published Gestalt Therapy: Excitement and Growth in the Human Personality, combining experiential self-awareness experiments with a theoretical critique of classical psychoanalysis.

        New York Institute for Gestalt Therapy: About us

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        Why it matters

        Together with the founding of the New York Institute for Gestalt Therapy shortly thereafter, the book established Gestalt therapy as a major experiential and humanistic tradition.

        In psychotherapy and counselling

        The approach shifted clinical attention from reconstructing the distant past to present-moment ('here and now') organism-environment contact, embodied awareness, figure-ground formation, and creative adjustment.

        Important context and scope

        Laura Posner Perls made foundational clinical and theoretical contributions to Gestalt therapy from their earlier 1947 work Ego, Hunger and Aggression onward, even though she was not credited as a co-author on the 1951 title page. Published by Julian Press in New York in December 1951

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      10. (link to this entry)

        Client-Centered Therapy is published

        Carl R. Rogers published Client-Centered Therapy: Its Current Practice, Implications and Theory, presenting nineteen formal propositions of personality and behaviour alongside chapters on play therapy, group-centred leadership, and student-centred teaching.

        Library of Congress: Carl R. Rogers Papers

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        Why it matters

        The book marked the transition from 'non-directive' technique to a comprehensive humanistic theory of the self, positioning the counsellor's empathic attitude and respect for the client's internal frame of reference as the core engine of change.

        In psychotherapy and counselling

        Practitioners were guided to set aside diagnostic categorisation and cultivate an accepting climate in which incongruence between self-concept and organismic experience could be explored safely.

        Important context and scope

        A book publication, not a single founding date for client-centred therapy; the Library of Congress lists the book in its chronology of Rogers's work at the University of Chicago Counseling Center. Published by Houghton Mifflin in 1951

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      11. (link to this entry)

        Hans J. Eysenck questions the effectiveness of psychotherapy

        British psychologist Hans J. Eysenck compared published reports of psychoanalytic and eclectic therapy with estimates drawn from state hospital discharge records and insurance disability claims.

        PubMed record: The effects of psychotherapy: an evaluation (Eysenck, 1952)

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        Why it matters

        Eysenck estimated that about two-thirds of patients in his comparison groups recovered or improved substantially without systematic psychotherapy. His conclusion that the evidence did not show an advantage for psychotherapy prompted debate and further outcome research.

        In psychotherapy and counselling

        The paper challenged clinicians to define measurable outcome criteria and demonstrate that specific therapeutic interventions outperformed unassisted recovery or routine medical care.

        Important context and scope

        The comparison groups were not randomized controls, and the hospital group could include patients who received some psychotherapy. A later reanalysis argued that the timing of improvement also mattered when comparing therapy with the two-year baseline. Published in the Journal of Consulting Psychology, Vol. 16(5), October 1952

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        Clinical study or review

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      12. (link to this entry)

        Maxwell Jones publishes Social Psychiatry on the therapeutic community

        Psychiatrist Maxwell Jones and colleagues published Social Psychiatry: A Study of Therapeutic Communities (published in the United States in 1953 as The Therapeutic Community), documenting the Industrial Neurosis Unit established at Belmont Hospital in Sutton in 1947.

        Fees and Kennard: Maxwell Jones and the Therapeutic Community (historical review)

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        Why it matters

        The book described a therapeutic community approach that treated the social life of an institution as part of psychiatric care.

        In psychotherapy and counselling

        Jones and colleagues described community meetings and attention to relationships among patients and staff as part of their approach.

        Important context and scope

        Jones built upon earlier wartime experiments at Mill Hill and Northfield Military Hospital alongside figures such as Tom Main (who coined the term 'therapeutic community' in 1946), Wilfred Bion, and S. H. Foulkes. Published in the UK as Social Psychiatry (Tavistock, 1952) and in the US as The Therapeutic Community (Basic Books, 1953)

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      13. (link to this entry)

        Harry Stack Sullivan's The Interpersonal Theory of Psychiatry is published posthumously

        Edited by Helen Swick Perry and Mary Ladd Gawel from lectures delivered at the Washington School of Psychiatry, Harry Stack Sullivan's The Interpersonal Theory of Psychiatry defined psychiatry and psychotherapy as the study of interpersonal relations rather than isolated intrapsychic drives.

        Sullivan (1951), The Psychiatric Interview: lecture prepared from recordings

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        Why it matters

        Sullivan helped develop an interpersonal approach to psychiatry that attends to relationships and communication.

        In psychotherapy and counselling

        Clinicians were cast as 'participant observers' operating within an interpersonal field, attending closely to anxiety, security operations, 'parataxic distortions', and selective inattention in the therapeutic dyad.

        Important context and scope

        Sullivan died in 1949. Several of his books were assembled posthumously from lectures and other material. Published posthumously by W. W. Norton in 1953, based on a series of lectures.

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      14. (link to this entry)

        George A. Kelly publishes The Psychology of Personal Constructs

        George A. Kelly published his two-volume work The Psychology of Personal Constructs, proposing the philosophical position of 'constructive alternativism' and modelling each person as an intuitive scientist who anticipates events through bipolar personal constructs.

        APA PsycNet record: The Psychology of Personal Constructs (Kelly, 1955)

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        Why it matters

        Kelly offered one of the earliest comprehensive cognitive and constructivist theories of personality and therapy, predating both mainstream cognitive therapy and later narrative-constructivist approaches.

        In psychotherapy and counselling

        The volumes introduced the Role Construct Repertory Test (Rep Grid) to map a client's idiosyncratic meaning system and 'fixed-role therapy', in which clients experiment with enacting an alternative persona in daily life.

        Important context and scope

        Although frequently cited as a forerunner of cognitive therapy, Kelly rejected both behavioural stimulus-response models and rationalist assumptions that a therapist corrects 'distorted' thinking against a single objective reality. Published in two volumes by W. W. Norton in 1955

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      15. (link to this entry)

        Albert Ellis introduces Rational Therapy in print

        Following his August 1956 presentation to the American Psychological Association, Albert Ellis published 'Outcome of Employing Three Techniques of Psychotherapy' in the Journal of Clinical Psychology (1957) and 'Rational Psychotherapy' in the Journal of General Psychology (1958), comparing his active-directive rational approach with orthodox psychoanalysis and psychoanalytically oriented psychotherapy.

        Ellis (1957), Outcome of employing three techniques of psychotherapy (Journal of Clinical Psychology)

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        Why it matters

        Ellis pioneered the first explicitly cognitive-directive psychotherapy of the post-war era, directly challenging both psychoanalytic passivity and Rogerian non-directiveness by targeting self-defeating beliefs.

        In psychotherapy and counselling

        Clinicians actively disputed rigid, absolutist 'musts' and 'shoulds' using what Ellis formalised as the ABC model (Activating event, Belief system, Emotional and behavioural Consequence) alongside behavioural homework assignments.

        Important context and scope

        Ellis renamed the approach Rational-Emotive Therapy (RET) in 1961 (and expanded it in Reason and Emotion in Psychotherapy in 1962) and Rational Emotive Behavior Therapy (REBT) in 1993; his 1957 comparative outcome data relied on his own clinical caseload rather than a randomised trial. First presented at the APA convention in Chicago in August 1956; outcome and theoretical papers published in 1957 and expanded in 1958 and 1962

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      16. (link to this entry)

        Carl R. Rogers publishes 'The Necessary and Sufficient Conditions of Therapeutic Personality Change'

        In the Journal of Consulting Psychology, Carl R. Rogers distilled six relational conditions that he hypothesised were both necessary and sufficient for constructive personality change across any form of psychotherapy.

        PubMed record: The necessary and sufficient conditions of therapeutic personality change (Rogers, 1957)

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        Why it matters

        The paper presented the therapeutic relationship as central to change and gave researchers a set of propositions to examine.

        In psychotherapy and counselling

        Rogers described therapist congruence, unconditional positive regard and empathic understanding among six conditions. His account also included psychological contact, client vulnerability and the client’s perception of the therapist’s attitudes.

        Important context and scope

        Rogers presented necessity and sufficiency as hypotheses. A 2018 meta-analysis found an association between measured therapist empathy and outcomes across 82 samples; that association alone does not show that all six conditions are necessary or sufficient in every case. Published in the Journal of Consulting Psychology, Vol. 21(2), April 1957

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      17. (link to this entry)

        Joseph Wolpe publishes Psychotherapy by Reciprocal Inhibition

        South African psychiatrist Joseph Wolpe published Psychotherapy by Reciprocal Inhibition while on a fellowship at Stanford, translating his experimental conditioning studies on neurotic anxiety into clinical procedures including systematic desensitisation and assertiveness training.

        APA PsycNet record: Psychotherapy by Reciprocal Inhibition (Wolpe, 1958)

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        Why it matters

        The book provided behaviour therapy with a replicable, step-by-step clinical protocol for phobias and anxiety disorders that could be tested in controlled experimental designs.

        In psychotherapy and counselling

        In systematic desensitisation, clients learned progressive muscular relaxation and were gradually exposed in imagination to a collaboratively constructed hierarchy of anxiety-evoking situations so that relaxation inhibited fear.

        Important context and scope

        While Wolpe attributed recovery to Sherringtonian reciprocal inhibition at the neurological level, later experimental work in the 1960s and 1970s (such as Isaac Marks's and Edna Foa's research) showed that prolonged exposure to feared stimuli was effective even without relaxation pairing. Published by Stanford University Press in 1958

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      18. (link to this entry)

        Wilfred R. Bion publishes Experiences in Groups

        British psychoanalyst Wilfred R. Bion published Experiences in Groups and Other Papers, bringing together his wartime Northfield paper with John Rickman (1943) and his series of Human Relations articles (1948 to 1951) from the Tavistock Clinic.

        PEP-Web archive: Experiences in Groups and Other Papers (Bion, 1961)

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        Why it matters

        The book became a cornerstone of psychodynamic group psychotherapy and the Tavistock group relations tradition, including the Leicester Conferences initiated in 1957.

        In psychotherapy and counselling

        Bion distinguished between the 'work group' oriented toward reality-based tasks and three unconscious 'basic assumption' mentalities (dependency, fight-flight, and pairing) that pull groups away from reflective work when collective anxiety rises.

        Important context and scope

        Although published as a single book in 1961, the clinical observations dated from the 1940s; by the 1960s Bion's primary focus had shifted toward individual psychoanalysis of psychotic states and his theory of container-contained. Published by Tavistock Publications in 1961, collecting papers first published between 1943 and 1952

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      19. (link to this entry)

        Frantz Fanon publishes Les Damnés de la Terre on colonial trauma and psychiatry

        Martinican psychiatrist Frantz Fanon, trained in institutional psychotherapy under François Tosquelles at Saint-Alban and formerly medical director of a ward at Blida-Joinville Psychiatric Hospital in Algeria, published Les Damnés de la Terre (The Wretched of the Earth), closing with a clinical chapter on mental disorders arising from colonial rule and war.

        Egalité, Our Newspaper as Care: Narrative Approaches in Fanon’s Psychiatry Clinic

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        Why it matters

        Fanon connected psychological suffering and psychiatric practice with colonial domination and violence. His work has influenced later discussions of colonialism and mental health.

        In psychotherapy and counselling

        At Blida-Joinville, Fanon explored sociotherapy through collective activities, including a ward newspaper. He and colleagues also reconsidered activities that did not engage Algerian Muslim men, introducing social gatherings and culturally familiar practices.

        Important context and scope

        Fanon's psychiatric essays were developed across a decade from Peau noire, masques blancs (1952) and his clinical papers with Jacques Azoulay (1954) to his 1956 letter of resignation from Blida-Joinville and final 1961 case studies. Published by François Maspero in Paris in late 1961 shortly before Fanon's death

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      20. (link to this entry)

        Eric Berne publishes Games People Play

        Psychiatrist Eric Berne published Games People Play: The Psychology of Human Relationships, cataloguing recurring interpersonal patterns using the framework of Transactional Analysis (TA) and simultaneous founding of the International Transactional Analysis Association (ITAA).

        International Transactional Analysis Association: History of TA and Eric Berne

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        Why it matters

        Written in accessible everyday language alongside clinical theory, the book brought Transactional Analysis to a wide public and clinical audience, demystifying therapeutic concepts and promoting contractual, egalitarian therapy.

        In psychotherapy and counselling

        Transactional Analysis equipped counsellors and group therapists to analyse Parent, Adult, and Child ego states, crossed versus complementary transactions, psychological 'games', and early life scripts.

        Important context and scope

        Berne had introduced his structural and transactional framework earlier in professional papers from 1957 to 1958 and in his 1961 textbook Transactional Analysis in Psychotherapy; Games People Play represents its wide popular and clinical dissemination. Published by Grove Press in New York in 1964

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      21. (link to this entry)

        Virginia Satir publishes Conjoint Family Therapy

        Social worker and Mental Research Institute (MRI) co-founder Virginia Satir published Conjoint Family Therapy: A Guide to Theory and Technique, grown out of the first formal family therapy training programme she directed at the MRI in Palo Alto.

        California Social Welfare Archives: Virginia Satir

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        Why it matters

        The book contributed to the growing literature on family therapy and presented Satir’s approach to working with families.

        In psychotherapy and counselling

        Satir framed the presenting patient as the 'identified patient' carrying distress for the wider family system and focused sessions on clear versus incongruent communication, self-esteem ('self-worth'), and family rules.

        Important context and scope

        Conjoint Family Therapy represents one strand of the broader 1950s and 1960s family therapy movement alongside Nathan Ackerman in New York, Gregory Bateson, Don Jackson, Jay Haley, and John Weakland in Palo Alto, and Murray Bowen in Washington. Published by Science and Behavior Books in Palo Alto in 1964

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      22. (link to this entry)

        Aaron T. Beck publishes Depression: Clinical, Experimental, and Theoretical Aspects

        University of Pennsylvania psychiatrist Aaron T. Beck published Depression: Clinical, Experimental, and Theoretical Aspects, presenting empirical studies of depressed patients' dreams and cognitions that led him away from the psychoanalytic hostility-turned-inward hypothesis.

        Beck Institute for Cognitive Behavior Therapy: History of CBT

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        Why it matters

        The monograph laid the empirical and theoretical cornerstone for Beckian cognitive therapy, linking mood disturbance directly to systematic negative biases in information processing and introducing early psychometric work on the Beck Depression Inventory (first published in 1961).

        In psychotherapy and counselling

        Beck identified the 'cognitive triad' (negative views of the self, the world or ongoing experience, and the future), underlying schemas, and systematic logical errors such as arbitrary inference, selective abstraction, and overgeneralisation.

        Important context and scope

        While the 1967 book outlined cognitive psychotherapy principles, the fully manualised treatment protocol and randomised clinical trial comparisons with antidepressant medication were consolidated over the following decade in 1977 and 1979. Published by Hoeber Medical Division, Harper and Row in 1967 (reissued as Depression: Causes and Treatment)

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      23. (link to this entry)

        John Bowlby publishes Attachment, Volume 1 of Attachment and Loss

        British psychiatrist and psychoanalyst John Bowlby published Attachment, the first volume of his Attachment and Loss trilogy (followed by Separation in 1973 and Loss in 1980), synthesising psychoanalytic clinical observations with ethology, evolutionary biology, and control systems theory.

        PEP-Web archive: Attachment and Loss, Vol. 1: Attachment (Bowlby, 1969)

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        Why it matters

        Bowlby transformed developmental and clinical psychology by demonstrating that the infant's tie to a caregiver is a primary biologically evolved attachment system rather than a secondary byproduct of feeding drives.

        In psychotherapy and counselling

        Attachment theory gave psychotherapy the enduring clinical concepts of the therapist as a 'secure base' for exploration and 'internal working models' of self and others formed through early caregiving relationships.

        Important context and scope

        Bowlby's theoretical synthesis depended heavily on collaborative empirical work by Mary Salter Ainsworth (who developed the Strange Situation procedure in the 1960s and published Patterns of Attachment in 1978) and film documentation of hospitalised children with James and Joyce Robertson. Published by Hogarth Press and the Institute of Psycho-Analysis in London in 1969

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      Cognitive, systemic, feminist & outcome research · 1970 to 1989

      Manualised cognitive and interpersonal therapies, structural and Milan systemic family models, feminist and relational perspectives, meta-analysis, and the working alliance.

        Read the 20 entries in cognitive & systemic

        Third-wave, narrative, trauma & evidence movements · 1990 to 2009

        Narrative and solution-focused therapies, motivational interviewing, trauma staging, DBT, ACT, MBCT, schema and mentalization models, multicultural competencies, and evidence-based practice.

          Read the 24 entries in contextual & relational

          Pluralism, digital care & global mental health · 2010 to present

          Pluralistic and transdiagnostic frameworks, alliance rupture-repair research, internet-delivered and remote therapy, community task-sharing trials, and shared decision-making.

            Read the 18 entries in contemporary

            About this timeline and its sources

            This chronology brings together 125 selected milestones across the history of psychotherapy and psychological counselling. It traces moral treatment and early hypnosis, psychoanalysis and psychodynamic schools, humanistic and existential practice, behavioural and cognitive therapies, systemic and relational work, third-wave contextual models, common-factors and outcome research, and global community-based interventions.

            Dates record different kinds of historical evidence. A book or treatment manual date marks when a text appeared in print, not a single moment when a therapeutic tradition began. A clinical study date marks either when research took place or when its report was published. Institutional dates record the founding of clinics, societies, training standards, or public programmes.

            Historical influence is distinct from clinical evidence. Many foundational works relied on clinical case descriptions, philosophical synthesis, or retrospective institutional accounts rather than controlled outcome trials. Where later research, replication work, or cultural critique has qualified an early claim, the entry context notes those boundaries explicitly.

            This site is an educational draft within the Therapy101 reference family. It provides historical and conceptual orientation only, with no medical advice, diagnostic tools, or personalised treatment recommendations. Text size and sidebar preferences are stored locally in your browser.