Alabama became the 22nd state to join the United States of America.
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The Dayton Agreement was signed in Paris by leaders of various governments. This ended the conflict in the former Yugoslavia.
A suicide bomber made an attack in Mogadishu, Somalia.
The European Union formally opened accession negotiations with Ukraine.
Star Wars: The Force Awakens, directed by J.J. Abrams, had its world premiere at the TCL Chinese Theatre in Los Angeles.
Northern Germany and the Netherlands were struck by St. Lucia's flood, killing more than 50,000 people.
