Levi Strauss and Jacob Davis patented the first blue jeans with copper rivets.
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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.
The first Christian ecumenical council opens at Nicaea, Asia Minor. It was the first attempt to achieve agreement in the church.
Elton John and his entourage flew into Moscow, making him the first western pop star to tour the USSR.
Amelia Earhart took off from Newfoundland.
