Timeline of Major Events

Color Coded Entries:
MEDICAL PUBLICATIONS
LEGAL
ORGANIZATIONS
CULTURAL PUBLICATIONS AND EVENTS
OTHER
HARRY BENJAMIN INTERNATIONAL GENDER DYSPHORIA (HBIGDA)/ WORLD PROFESSIONAL ASSOCIATION FOR TRANSGENDER HEALTH (WPATH) 

Year
1979First version of the Harry Benjamin International Gender Dysphoria Association (HBIGDA) Standard of Care (SOC) 1 was published. It was later renamed the World Professional Association for Transgender Health (WPATH). 
1980HBIGDA SOC 2 is published.
1981HBIGDA SOC 3 is published.
1982
1983
1984
1985
1986
1987Patient Zero: F.G. a same sex attracted girl diagnosed with “intense gender dysphoria” is treated by Henriette Delemarre-van de Waal at the VU Hospital in the Netherlands with a monthly injectable puberty blocker, Decapeptyl.
1988
1989GIDS opened
1990 HBIGDA SOC 4 is published.
1991
1992
1993
1994DSM IV published and replaces the diagnosis transsexualism with gender identity disorder. 

Utrecht Clinic reports averaging only 9 children cases per year in the first seven years. 
1995
1996 Gooren, L., & Delemarre-van de Waal, H. (1996). The Feasibility of Endocrine Interventions in Juvenile Transsexuals. Journal of Psychology & Human Sexuality, 8(4). 
1997Cohen-Kettenis PT, van Goozen SH. Sex reassignment of adolescent transsexuals: a follow-up study. J Am Acad Child Adolesc Psychiatry. 1997 Feb;36(2):263-71. 
1998HBIGDA SOC 5 is published with sections titled: Children with Gender Identity Disorders and Treatment of Adolescents for the first time including the use of pubertal blockade, under the direction of Dr. Steven Levine.

Cohen-Kettenis PT, & van Goozen, S. H. M. (1998). Pubertal delay as an aid in diagnosis and treatment of a transsexual adolescent. European Child & Adolescent Psychiatry, 7(4).
1999Cohen-Kettenis PT, Gooren LJ. Transsexualism: a review of etiology, diagnosis and treatment. J Psychosom Res. 1999 Apr;46(4).
2000Only 7 children under the age of 16 have been treated with pubertal suppression by 2000. 
2001HBIGDA SOC 6 is published including a chapter titled: Assessment and Treatment of Children and Adolescents. 
2002
2003CAMH -Toronto began use of Puberty blockers for GD under direction of Susan Bradley (supervisor/advisor to Ken Zucker)
2004
2005
2006Henriette A Delemarre-van de Waal, Peggy T Cohen-Kettenis, Clinical management of gender identity disorder in adolescents: a protocol on psychological and paediatric endocrinology aspects, European Journal of Endocrinology, Volume 155, Issue Supplement_1, Nov 2006, Pages S131–S137.
2007Harry Benjamin International Gender Dysphoria Association (HBIGDA) rebrands itself as the World Professional Association for Transgender Health (WPATH). 

Gender Multispeciality Service (GeMS) opens in Boston, MA. 
2008
2009The Endocrine Society publishes the first guideline, including support for pubertal suppression. 
2010
2011de Vries AL, Steensma TD, Doreleijers TA, Cohen-Kettenis PT. Puberty suppression in adolescents with gender identity disorder: a prospective follow-up study. J Sex Med. 2011 Aug;8(8):2276-83.
2012de Vries AL, Cohen-Kettenis PT. Clinical management of gender dysphoria in children and adolescents: the Dutch approach. J Homosex. 2012;59(3):301-20.

WPATH SOC 7 is published
2013DSM-5 is published and replaces gender identity disorder with gender dysphoria. 
2014de Vries AL, McGuire JK, Steensma TD, Wagenaar EC, Doreleijers TA, Cohen-Kettenis PT. Young adult psychological outcome after puberty suppression and gender reassignment. Pediatrics. 2014 Oct;134(4):696-704.

Vrouenraets LJ, Fredriks AM, Hannema SE, Cohen-Kettenis PT, de Vries MC. Early Medical Treatment of Children and Adolescents With Gender Dysphoria: An Empirical Ethical Study. J Adolesc Health. 2015 Oct;57(4):367-73.

Dept of HHS US Medicare Policy to cover SRS
2015Obergefell v Hodges Supreme Court Ruling on Gay Marriage. June 2015. 

TransgenderTrend launched by Stephanie Davies-Arai
2016
2017The Endocrine Society published an updated guideline.

Published: “My Daughter is Not Transgender. She’s a Tomboy” by Lisa Selin Davis. The New York Times. April 2017. 

Published: “The Detransitioners: They Were Transgender, Until They Weren’t” by Katie Herzog. June 2017. 
2018Published: Ensuring Comprehensive Care and Support for Transgender and Gender-Diverse Children and Adolescents. Jason Rafferty and the American Academy of Pediatric position paper

Published: Gender Questioning Children Deserve Better Science. Need to cite/ link. 

Published: Parent Reports of Adolescents and Young Adults Perceived to Show Signs of a Rapid Onset of Gender Dysphoria. Lisa Littman’s groundbreaking paper. Cite/Link. 


Published: When Kids Say They’re Trans by Jesse Singal. July 2018. 
2019Published: Letter to the Editor– Laidlaw, Hruz, Malone. Need to cite/ link. 

Society for Evidence Based Gender Medicine (SEGM) Launches. 2019.

Rethinking Identity Medicine Ethics (ReIME) Launches. 2019. 
2020Tomboy is published by Lisa Selin Davis. May 2020. 

Irreversible Damage is published by Abigail Shrier. June 2020. 


Bostock v Clay County Supreme Court Ruling is decided. June 2020. 

Gender Wider Lens Podcast launches. November 2020. 
2021Heterodorx Podcast Launches. January 2021. 

Arkansas State Restrictions (Ban) February 2021. 

60 Minutes reports on Detransitioners. Faces significant backlash. May 2021.

Genspect launches. June 2021. 

Gender Dysphoria Alliance launches with the podcast Transparency. July 2021. 

Therapy First launches. 2021. 


Published: “The Mental Health Establishment is Failing Trans Kids” by Erica Anderson and Laura Edwards Leeper. The Washington Post (after refusal by The New York Times). November 2021.
2022Published: Reconsidering Informed Consent for Trans Identified Children. Need to cite/ link. 

Published: Interim Cass Report. England. February 2022. 

Tordoff DM, Wanta JW, Collin A, Stepney C, Inwards-Breland DJ, Ahrens K. (2022) Mental Health Outcomes in Transgender and Nonbinary Youths Receiving Gender-Affirming Care. JAMA Netw Open. 2022 Feb 1;5(2):e220978. doi: 10.1001/jamanetworkopen.2022.0978

Arizona State Restrictions (Ban) passed, surgical ban only. February 2022. 

Alabama State Restriction (Ban) Passed. April 2022.


Published: “The Battle Over Gender Therapy. More teenagers than ever are seeking transition, but the medical community that treats them is deeply divided about why-and what to do to help them” by Emily Bazelon. The New York Times Magazine. June 2022.  

WPATH SOC 8 published.  Age guidelines are removed for minor care, for the first time eunuchs are included. September 2022. 

Published: “They Paused Puberty but Is There a Cost? Puberty blockers can ease transgender youths’ anguish and buy time to weigh options. But concerns are growing about long-term physical effects and other consequences” by Megan Twohey and Christina Jewett. The New York Times. November 2022.
2023Published: Ensuring Comprehensive Care and Support for Transgender and Gender-Diverse Children and Adolescents. Jason Rafferty and the American Academy of Pediatric AAP) position paper. Reaffirmed by the AAP. 

Utah State Restrictions (Ban) Passes. January 2023. 

Chen D, Berona J, Chan YM, Ehrensaft D, Garofalo R, Hidalgo MA, Rosenthal SM, Tishelman AC, Olson-Kennedy J. (2023) Psychosocial Functioning in Transgender Youth after 2 Years of Hormones. N Engl J Med. 2023 Jan 19;388(3):240-250. doi: 10.1056/NEJMoa2206297. Erratum in: N Engl J Med ;389(16):1540.

Abbruzzese, E., Levine, S. B., & Mason, J. W. (2023). The Myth of “Reliable Research” in Pediatric Gender Medicine: A critical evaluation of the Dutch Studies—and research that has followed. Journal of Sex & Marital Therapy, 49(6)

Published: “I thought I Was Saving Trans Kids. Now I’m Blowing the Whistle”  by Jamie Reed. The Free Press.  February 2023. 

Time to Think: The Inside Story of the Collapse of the Tavistock’s Gender Services for Children is published by Hannah Barnes. February 2023.

Mississippi State Restrictions (Ban) Passes. February 2023.
Iowa State Restrictions (Ban) Passes. March 2023.
Kentucky State Restrictions (Ban) Passes. March 2023.
Tennessee State Restrictions (Ban) Passes. March 2023.
West Virginia State Restrictions (Ban) Passes. March 2023.
Idaho State Restrictions (Ban) Passes. April 2023.
Indiana State Restrictions (Ban) Passes. April 2023.
Montana State Restrictions (Ban) Passes. April 2023.
North Dakota State Restrictions (Ban) Passes. April 2023.
Florida State Restrictions (Ban) Passes. May 2023.
Oklahoma State Restrictions (Ban) Passes. May 2023.
Nebraska State Restrictions (Ban) Passes. May 2023.
Missouri State Restrictions (Ban) Passes. June 2023.
Texas State Restrictions (Ban) Passes. June 2023.
Georgia State Restrictions (Ban) Passes. July 2023.
Louisiana State Restrictions (Ban) Passes. July 2023.
North Carolina State Restrictions (Ban) Passes. August 2023.


Published: “How a Small Gender Clinic Landed in a Political Storm” by Azeen Ghorayshi. The New York Times. August 2023. 
2024Ohio State Restrictions (Ban) Passes. January 2024. 

Published: “As Kids, They Thought They Were Trans. They No Longer Do” by Pamela Paul.  The New York Times. February 2024. 

Sami-Matti Ruuska, Katinka Tuisku, Timo Holttinen, Riittakerttu Kaltiala (2024) -All-cause and suicide mortalities among adolescents and young adults who contacted specialised gender identity services in Finland in 1996–2019: a register study: BMJ Mental Health 27:e300940.

Wyoming State Restrictions (Ban) Passes. March 2024. 

Published: “Final Cass Report”. England. April 2024.

South Carolina State Restrictions (Ban) Passes. May 2024. 

Free to Be: Understanding Kids and Gender Identity is published by Jack Turban. June 2024.

Published: “Biden Officials Pressed to Remove Age Limits for Trans Surgery Documents Show” by Azeen Ghorayshi. The New York Times. June 2024. 

New Hampshire State Restrictions (Ban) Passes. July 2024. 

Published: “Shocking’ and ‘Reckless’: Top Gender Clinic Assesses Children for Gender-Altering Medical Treatments in Just 2 Hours, Lawsuit Lays Bare”  by Benjamin Ryan. The New York Sun. October 2024.
2025Published: United States Health and Human Services releases “Treatment for Pediatric Gender Dysphoria, Review of Evidence and Best Practices” May 2025. 

SCOTUS reaches (???) verdict in Skrmetti

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