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1894 - Labor Day becomes an official US holiday.

1895 - El Salvador, Honduras and Nicaragua form the Central American Union.

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1902 - The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.

1904- The SS Norge Runs aground and sinks

1914 - Franz Ferdinand, Archduke of Austria and his wife Sophie are assassinated in Sarajevo by young Serbian nationalist Gavrilo Princip , the casus belli of World War I.

1919 - The Treaty of Versailles is signed in Paris, formally ending World War I between Belgium, Britain, France, Italy, the United States and allies on the one side and Germany and Austria Hungary on the other side.

# 1922 - The Irish Civil War begins with the shelling of the Four Courts in Dublin by Free State forces.

1936 - The Japanese puppet state of Mengjiang is formed in northern China.

1940 - Romania cedes Bessarabia (current-day Moldova) to the Soviet Union.