The International Day Against Homophobia, Transphobia, and Biphobia on May 17 highlights the places in the world where members of the LGBT community still face persecution. The date was chosen to commemorate the World Health Organization's 1990 decision to remove homosexuality from its disease classification list. The day also celebrates the progress made by gay, lesbian, and transgender people in recent decades. Here's a look back at the LGBT movement in pictures.
PHOTO PACKAGE: From Stonewall To Skopje: The Decades-Long Battle For LGBT Rights Around The World

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A 30-year-old Dutch demonstrator displays a sign that reads: "Glad to be gay" during a march in Frankfurt, Germany, on July 28, 1979, which ended a weeklong homosexual meeting. Hundreds of homosexuals converged for a week of movies, theater, rock concerts, and workshops on gay rights. Gays and lesbians from Germany and other countries demanded to end of discrimination against homosexuals.

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People celebrate in the New York City neighborhood of Greenwich Village after a gay rights bill is passed on March 20, 1986.

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An unknown organization posted hundreds of posters saying "No, no, no to homosexuality" in the center of the Romanian capital, Bucharest, on October 13, 2000.

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Serbian police clash with several hundred nationalist thugs who had thrown stones and attacked gay activists in Belgrade on June 30, 2001.