World War 1

This was the spark that started World War I.

This was the president who was elected in 1912, and led the US into WWI. Later wrote a plan for post-WWI peace known as the Fourteen Points.

This Central Power empire during WWI, started the war with their invasion of Serbia after the assassination of Archduke Ferdinand on June 28, 1914 .

This Serbian rebel group tassassinated Archduke Ferdinand after several failed attempts.

This German Emperor led the Germans during WWI. In 1918 he was forced to step down by German Generals.

This new machinery used by the Germans in sea warfare, to attack British and American supply ships in the North Sea and the Atlantic Ocean.

This cause of World War I was based on an intense pride in one's nation.

This alliance during WWI included the United States, Great Britain, France, Russia and Italy (switched to the Allied Powers in 1915). (The blue countries of the East and West on map above)

This is the plan for post-World War I outlined by President Wilson in 1918. This plan called for self-determination (countries in Africa and Asia govern themselves), freedom of the seas, free trade, end to secret agreements, reduction of arms and a league of nations.

This intercepted note from the German foreign minister to the Mexican government offered, territories in Texas, Arizona and New Mexico for Mexico. The note also confirmed the new policy of unrestricted submarine warfare by Germany against the Allied Powers. This helped turn Americans against Germany in WWI.

This British passenger ship was sunk by German U-boats in 1915, carrying civilians and ammunition to Britain from the U.S. The event turned American opinion against Germany.

This style of warfare was common in WWI, due to the invention of the machine gun and heavy artillery. It included digging long trenches, separated by barbed wire and a no mans land.

This was the agreement between the Allies and Central Powers that ended the fighting after WWI. It began at 11/11/1918 at 11:11 am. This marked a victory for the Allies and stated that the Central Powers lost. Germans would later look at this as "the stab in the back."