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June 28th 1914
Archduke Franz Ferdinand, heir to the Austrian throne, and his wife, visit Sarajevo in Bosnia. A bomb is thrown at their auto but misses. Undaunted, they continue their visit only to be shot and killed a short time later by a lone assassin. Believing the assassin to be a Serbian nationalist, the Austrians target their anger toward Serbia. -
August 4th 1914
Great Britain declares war on Germany. The declaration is binding on all Dominions within the British Empire including Canada, Australia, New Zealand, India and South Africa. The Siege of Liege occurs as Germans attack the Belgian fortress city but meet resistance from Belgian troops inside the Liege Forts. The twelve forts surrounding the city are then bombarded into submission by German and Austrian howitzers using high explosive shells. -
5/7/1915
A German U-Boat torpedoes the British passenger liner Lusitania off the Irish coast. It sinks in 18 minutes, drowning 1,201 persons, including 128 Americans. President Woodrow Wilson subsequently sends four diplomatic protests to Germany. -
11/7/1916
American voters re-elect President Woodrow Wilson who had campaigned on the slogan, "He kept us out of war." -
1/19/1917
The British intercept a telegram sent by Alfred Zimmermann in the German Foreign Office to the German embassies in Washington, D.C., and Mexico City. Its message outlines plans for an alliance between Germany and Mexico against the United States. According to the scheme, Germany would provide tactical support while Mexico would benefit by expanding into the American Southwest, retrieving territories that had once been part of Mexico. -
4/6/1917
The United States of America declares war on Germany. -
6/25/1917
The first American troops land in France. -
5/16/1918
The Blücher-Yorck Offensive, Germany's third in a row, begins with the goal of bogging down the Allies in central France, thus preventing further reinforcements from reaching British positions in the north. Forty-one divisions of the German 1st and 7th Armies successfully attack the inadequate defenses of the French 6th Army along a 25-mile front east of the Aisne River. After a highly effective artillery barrage, German storm troops roll over the decimated 6th Army. -
11/11/1918
At 5:10 am, in a railway car at Compiègne, France, the Germans sign the Armistice which is effective at 11 am--the eleventh hour of the eleventh day of the eleventh month. Fighting continues all along the Western Front until precisely 11 o'clock, with 2,000 casualties experienced that day by all sides. Artillery barrages also erupt as 11 am draws near as soldiers yearn to claim they fired the very last shot in the war. -
6/28/1919
At the Palace of Versailles in France, a German delegation signs the Treaty formally ending the war. Its 230 pages contain terms that have little in common with Wilson's Fourteen Points as the Germans had hoped. Germans back home react with mass demonstrations against the perceived harshness, especially clauses that assess sole blame for the war on Germany.