1993: The Massachusetts state senate approves the first state Law to protect lesbian and gay public school students against discrimination.

1994: Delegates of the American Medical Association declare their opposition to medical treatments administered to “cure” lesbians or gay men, urging “nonjudgmental recognition of sexual orientation.”

2003: Houston, Texas, city council member Annise Parker defeats fellow council member Bruce Tatro as Houston’s first lesbian city controller.

2004: Louisiana Governor Kathleen Blanco issues an executive order banning sexual orientation discrimination in the public sector.

2011: Elio Di Rupo becomes Prime Minister of Belgium and, subsequently, the first openly-gay male head of government.