Quebec held a referendum on whether to begin negotiations with Canada to become independent.
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The first Christian ecumenical council opens at Nicaea, Asia Minor. It was the first attempt to achieve agreement in the church.
The US Air Force Space Command launched the Boeing X-37B spaceplane for a classified mission.
Amelia Earhart took off from Newfoundland.
Levi Strauss and Jacob Davis patented the first blue jeans with copper rivets.
Elton John and his entourage flew into Moscow, making him the first western pop star to tour the USSR.
