Archduke Franz Ferdinand killed Sarajero with a gun shot to the head.
Germany was at war with many countries so why not France.
Europe was fighting different people all over the globe.
The first battle of Marne killed more than 500,000 men.
The first battle of Ypres lasted nearly a month.
The US boat Lusitania was sunk by the Germans.
Tsar Nicholas was a commander of the Russian Army fleet.
Allied US troops were withdrew from battle to go see there families.
Woodrow Wilson was re-elected president for his second term.
Rasputin was murdered in battle in WWI.
Germany declared unrestricted sub warfare on the USA.
The Germans sunk the Laconia with an underwater missile.
The treaty of Brest Litovsk was signed to keep the Central Powers in line.
The battle of Meuse Argonne was one of the last battles fought in WWI.
World War one ends with a United States victory.