Elton John and his entourage flew into Moscow, making him the first western pop star to tour the USSR.
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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.
Amelia Earhart took off from Newfoundland.
The first Christian ecumenical council opens at Nicaea, Asia Minor. It was the first attempt to achieve agreement in the church.
After decades of failed attempts to reach the Indies, Vasco da Gama arrived in Calicut, India.
President Abraham Lincoln signed the Homestead Acts into law.
