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The beginning of the war
Archduke Franz Ferdinand, heir to Austria-Hungary's throne, and his wife, Sophie, are assassinated by a Serbian nationalist while the couple were visiting Sarajevo, Bosnia. -
Ausria-Hungary declares war
Ausria-Hungary declares war on Serbia after the assasination of the Archduke. -
Gerrmany declares war
Germany declares war on Russia and France. -
United Kingdom enters the war
The United Kingdom declares war on Germany, after Germany invades Belgium. -
U.S. remains neutral
U.S. President Woodrow Willson announces that the U.S. will remain neutral. -
Trench Warfare first used
The first use of trench warfare begins during the first battle of Marne. -
The United Kingdom blockades german goods
The United Kingdom announces that the North Sea is a military area, effectively creating a blockade of goods into Germany. -
Germans use the first poison gas during the war
It is during the second battle of Ypres that the Germans first use poison gas. -
Tsar takes full control of his army
Nicholas II takes full control if the Russian army. -
Threats of Revolutions
Many royalist warned Nicholas II about a potential revolution was imminent, but even after hearing this warning over and over, Tsar Nicholas II decide to ignore the potential threat. -
February Revolution
Many people carried revolts accross the cold regions of Russia. The people started rasing red flags and starting chanting "Down with the war! Down with the Tsar!" The cabinet members pleaded to Nicholas to return to the capital and to resign. -
Russian government overthrown
The Bolsheviks successfully overthrow the Russian government during the revoltution and the war. -
Russia admits to peace treaty
Tsar Nicholas II signs the Treaty of Brest Litovsk, which is a peace treaty between Russia and the Central Powers. -
The execution of the Tsar
Tsar Nicholas II was executed by revolutionaries during the Russian Revolution and was the main reason the Russian army withdrawn from the war. -
The war ends
The Treaty of Versailles officially ends World War I.