Minnesota is now the 12th state to legalize gay marriage. Find out where else it's legal and where it's being challenged.
Minnesota became the 12th state to legalize gay marriage with the passage of a bill in the state Legislature this week. Check out where else it's currently legal and where bans on same-sex marriage are being challenged.
Enrique Castro-Mendivil / Reuters
St. Louis nearly burns to the ground, the first Kentucky Derby is held, the Supreme Court strikes down segregated schools, the Senate Watergate Committee begins televised hearings, and same-sex marriages begin in Massachusetts, all on this day.