March 15, 2013: Rob Portman endorses same-sex marriage
March 7, 2000: California voters pass gay-marriage ban
March 3, 2009: Mary Bonauto files DOMA suit
February 27, 1998: Alaska court rules for marriage plaintiffs
February 25, 2014: Marriage goes on trial in Detroit
February 21, 2013: Barack Obama plots Supreme Court strategy
February 13, 1994: Mormons Enter Marriage Debate
February 12, 2004: San Francisco Mayor Gavin Newsom defies state law with marriage order
February 10, 1996: Six presidential candidates sign anti-gay-marriage pledge
February 7, 2012: Federal court upholds Prop 8 ruling
February 3, 2004: Massachusetts court dismisses civil-union compromise
December 22, 2010: Obama declares his views on marriage “constantly evolving”
December 20, 2013: Utah’s marriage law struck down by federal judge
December 17, 1990: Hawaii same-sex couples demand marriage licenses
September 29, 2005: Schwarzenegger vetoes California gay-marriage bill