-
Archduke Ferdinand and his wife Sophie were assassinated
Archduke Franz Ferdinand and his wife Sophie were assassinated on June 28, 1914 in Sarajevo, Bosnia. -
The aftermath on Archduke's assassination
On July 28, 1914, Austria-Hungary declared war on Serbia. -
The Start Of The War
On November 5, 1914, Ottoman Empire declares war on the Allies -
The Attack on Lusitania
On May 7th, 1915, The ship was torpedoed and sunk by the submerged German U-boat (submarine) SM U-20. -
Russia leave war
On the month of November in 1917 the Russians leave World War 1. -
United State join the war
On April 6,1917, the United States joins World War 1.