World War I

The Spark Serbia and Austria-Hungary are in an argument Archduke Franz Ferdinand A-H visits capital of Serbia, assassinated by Gavrilo Princip – radical Serbian A-H declares war on Serbia

Russia has Serbia’s back– declares war on A-H Germany has A-H back– declares war on Russia and France Germany attacks France through Belgium, England has Belgium's back

World War I Begins Allied Powers- England, France, Russia and later the US Central Powers- Germany, A- H, Turkey and later Italy Germany wants to defeat France quickly and then focus east on Russia– Schlieffen Plan Germans attack France through Belgium, Belgians put up good fight– slows them down

British & French stop the Germans NE of Paris along the Marne River– Battle of the Marne Fighting becomes a stalemate– neither side makes progress Trench warfare begins from the English Channel to the Alps– the Western Front Russia and Germany start fighting on Eastern Front

New weapons used for the first time: machine gun, poison gas, mines, barbed wire, tanks, planes, subs