Archduke Franz Ferdinand of Austria and his wife were shot on the 28th of June in 1914 to break off Austria-Hungary's south-Slav provinces so they can be combined into Greater Serbia or a Yugoslavia.
Germany declars war on France
The Schefflin Plan (made 1905) was put into action as German troops poured into Belgium. The British foreign secretary sent Germany an ultimatum demanding their withdrawal from the neutral Belgium.
First Battle of Ypres
The final major battle of the first year of WWI. It was fought between France, Britain, and Germany.
Warsaw is captured
The Germans captured Warsaw, Poland from the Russians on August 5, 1915.
The Evacuation of Gallipoli
The Allied powers had to leave Gallipoli after their failed campaign.
The USA declared war on Germany
Germany was firing torpedos on passenger ships, but Woodrow Wilson was hesitant to go to war. Germany said that they would sink all ships sailing to Britain, and they did. So we declared war on April 6th 1917.
Battle of Caporetto
Austro-Hungarian forces, reinforced by German units defeated the Italian front line. German poison gas played a key role in Italy's second army.
Treaty of Brest-Litovsk
The Treaty of Brest-Litovsk was a peace treaty signed between Russia and the Central Powers (Germany). Russia is exited from the war.
Execution of the Russian Royals
The Romanov dynasty was put to an end when the whole family was killed by the Bolsheviks.
Turkey Makes Peace
Austria Makes Peace
On November 11, 1918, the Armistice was signed at 11 a.m., ending WWI.