In 1994, Rodney Wilson, a Missouri high school teacher, believed a month should be dedicated to the celebration and teaching of gay and lesbian history, and gathered other teachers and community leaders. They selected October because public schools are in session and existing traditions, such as Coming Out Day (October 11), occur that month.
Gay and Lesbian History Month was endorsed by GLAAD, the Human Rights Campaign, the National Gay and Lesbian Task Force, the National Education Association and other national organizations. In 2006 Equality Forum assumed responsibility for providing content, promotion and resources for LGBT History Month.
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Differences between LGBTQ+ Month in October and Pride Month in June: https://www.ucf.edu/news/why-do-we-celebrate-pride-month-in-june-and-lgbt-history-month-in-october/
Additional history about June Pride Month since most students will not be on campus to celebrate then: https://www.loc.gov/lgbt-pride-month/about/
Equality Forum is a national and international LGBTQ+ civil rights organization with an educational focus. Equality Forum coordinates LGBTQ+ History Month, produces documentary films, undertakes high-impact initiatives and presents the largest annual national and international LGBTQ+ civil rights summit. For more information, visit: http://www.equalityforum.com
Biographies of selected LGBTQ+ Icons: https://lgbthistorymonth.com/lgbt-history-month-archives
More information about LGBTQ+ History Month: https://nationaltoday.com/lgbtq-history-month/