Quebec held a referendum on whether to begin negotiations with Canada to become independent.
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The Pictish armies of King Bridei Mac Bili won a decisive victory over the armies of Northumbria at the Battle of Dun Nechtain.
The Church of Scotland voted in favor of allowing openly gay men and women to be ministers.
The first Christian ecumenical council opens at Nicaea, Asia Minor. It was the first attempt to achieve agreement in the church.
President Abraham Lincoln signed the Homestead Acts into law.
The chandelier of the Palais Garnier Opera House broke, and its debris fell on a crowd.