ON THIS DAY IN 2015… Ireland became the first country to introduce same-sex marriage by a popular vote, with 62% of voters favoring an...

ON THIS DAY IN 2004… Cincinnati anti-pornography activist Phil Burress begins collecting signatures to qualify a constitutional amendment...

ON THIS DAY IN 2004… The first same-sex couples to legally marry in the United States exchanged vows in Massachusetts. The previous...

ON THIS DAY IN 1994... A cadre of anti-gay activists assemble in Colorado Springs for what one journalist called the “first national...

ON THIS DAY IN 2008… The California Supreme Court upheld a lower-court-ruling that found an eight-year-old ban on same-sex marriage to be...

ON THIS DAY IN 2002… The first bill to write an amendment into the U.S. Constitution banning same-sex marriage was introduced in the...

ON THIS DAY IN 2011… The Minnesota Senate passed a constitutional ban on same-sex marriage, placing the issue on the November 2012 ballot...

ON THIS DAY IN 2012… President Barack Obama announced his personal view was now that “same-sex couples should be able to get married," a...

ON THIS DAY IN 1996... The Defense of Marriage Act, the first effort to block same-sex marriage under federal law, was introduced in the...

ON THIS DAY IN 1993… The Hawaii Supreme Court ruled that denying same-sex couples the right to marry amounted to a form of...

ON THIS DAY IN 2012… Vice President Joe Biden announced his support for gay marriage, a reversal of his previous position that upended...

ON THIS DAY IN 2001… Attorney Evan Wolfson, the leading national activist for equal marriage rights, departed Lambda Legal to focus...

ON THIS DAY IN 2015… The U.S. Supreme Court heard arguments in Obergefell v. Hodges, the case that would determine whether same-sex...

ON THIS DAY IN 2000… Vermont Governor Howard Dean signed a bill to establish the country’s first civil unions, a marriage-lite program...

ON THIS DAY IN 2005… Connecticut Governor Jodi Rell signed a bill to establish civil unions, with ambivalent backing from gay activists...

ON THIS DAY IN 2009... Miss California Carrie Prejean declared her disapproval of same-sex unions during the final round of a national...

ON THIS DAY IN 2009… Vermont’s House of Representatives voted to override the governor’s veto of a marriage bill, making it the first...

ON THIS DAY IN 2009… The Iowa Supreme Court ruled that state law limiting marriage to opposite-sex couples unfairly excludes "disfavored...

ON THIS DAY IN 2001.... The Netherlands became the first country on earth to permit same-sex couples to marry on equal terms to same-sex...

ON THIS DAY IN 2013… The U.S. Supreme Court heard a challenge to California’s Proposition 8, the first-ever case related to same-sex...