Activist group Solidarity with Repeal holds a rally calling for abortion rights outside Belfast City Hall last week in Belfast, Northern Ireland. The rally follows Ireland's vote to repeal a constitutional ban on abortion.
Charles McQuillan/Getty Images
The mule train comes into the Washington area against a late afternoon sky in June of 1968. The caravan left Marks, Miss., for the nation's capital on May 13 to participate in the Poor People's Campaign.
Coretta Scott King, center, accompanied by the Rev. Ralph Abernathy, her children, and singer Harry Belafonte, leads a march in Memphis to honor her husband who was assassinated four days earlier.
Olanda Smith (left) and Dinah McCaryer were the first to marry in Jefferson County on Monday, Feb. 9, 2015, after a federal judge overturned the state's ban on same-sex marriage. Several other counties refused to issue marriage licenses that day.