1948: Kinsey Report presents first major survey of homosexual behavior in US.
1961: Illinois becomes first state to decriminalize homosexual acts between consenting adults.
1967: First US gay protest march, against Los Angeles Police Department.
1969: Police raid on gay bar in New York City prompts three days of riots.
1973: American Psychiatric Society removes homosexuality from list of mental illnesses.
1975: US Civil Service Commission rules that homosexuals can serve as federal employees.
1979: First march on Washington for gay rights.
1982: Wisconsin becomes first state to pass comprehensive law banning discrimination against homosexuals.
1986: Supreme Court upholds Georgia sodomy law.
1987: Second gay-rights march on Washington.
1989: Massachusetts passes comprehensive law prohibiting discrimination against homosexuals.
1990: President Bush signs Hate Crimes Statistics Act, first federal law to include "sexual orientation."
1992: Bill Clinton wins more than 70 percent of homosexual vote.
1993: President Clinton meets with gay-rights leaders at White House.