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June 28, 1914
Archduke Ferdinand is assassinated -
July 28,1914
Austria declares war on Serbia -
August 1,1914
Germany declares war on Russia -
August 3,1914
Germany declares war on France and Belgium -
August 4, 1914
Germany invades Belgium, British declare war on Getmany -
October 29,1914
Ottoman Empire enters war -
January 1915
First German Zeppelin raid on England -
May 7,1915
Sinking of the Lusitania, a passenger ship carrying Americans, by a German U-boat -
May 23, 1915
Italy enters war -
Period: to
Feb 21-Dec 18,1916
Battle of Verdun takes over one million casualties, but ends in a stalemate after months of fighting -
Period: to
July 1-Nov 18,1916
Battle of the Somme takes an estimated one million casualties, no clear winner. -
Early 1917
Germany increases U-Boat fighting -
January 19,1917
British intercept the Zimmerman Note Telegram supposedly sent from the German Reich to Mexico, urging Mexico to go to war against the US -
March 15,1917
Tsar Nicholas of Russia abdicates -
April 6,1917
US declares war against Germany -
July 3,1917
First US troops land in France -
December 26,1917
British capture Jerusalem from the Ottoman Turks -
October 1918
Allies take back France and Belgium -
January 8,1918
Woodrow Wilson reveals his14 points -
April 1,1918
RAF (Royal Air Force) is founded -
May 23,1918
German planes bomb Paris -
October 30,1918
Ottoman Empire signs an armistice -
November 9,1918
Kaiser Wilhelm ll abducted and Germany forms Wiemar Republic -
November 11,1918
Armistice is signed ending WWI
