Star Wars: The Force Awakens, directed by J.J. Abrams, had its world premiere at the TCL Chinese Theatre in Los Angeles.
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After invading Finland, the Soviet Union was kicked out of the League of Nations.
Alabama became the 22nd state to join the United States of America.
The capital city of the Roman Empire, Constantinople, was severely damaged by an earthquake.
Philadelphia premiered in Century City, California. It was one of the first mainstream films about AIDS, directed by Jonathan Demme.
A suicide bomber made an attack in Mogadishu, Somalia.