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The assassination of Archduke Franz Ferdinand
Archduke Franz Ferdinand was killed in Sarajevo, Bosnia and Herzegovina, by gunshot. -
The declaration of war
A month after the assassination of Archduke Franz Ferdinand, the Austro-Hungarian government declares war on Serbia. This lead to a domino effect, with other European countries declaring war in the next 6 days. -
Australia joins the war
Australia was quite surprised with the coming of war that was declared. The country was in the middle of an election campaign when their joining of war was announced. -
The Battle of Ypres
The battle located in Ypres Belgium was when both Allied powers and German Empire tried to flank through Belgium but failing. This lead to The Allied Powers and German Empire settling in the Western Front that resulted in trench warfare. -
The Battle of Gallipoli begins
The land invasion of the Gallipoli peninsula involving British and French troops as well as divisions of the Australian and New Zealand Army Corps (ANZAC). -
The Battle of the Somme
The Battle of the Somme (also known as the Somme Offensive) was a battle located in the French river named Somme. The German Empire had tried to take this territory as the French and British fought back. -
The Battle of Gallipoli ends
The British government authorized the evacuation to begin from Suvla Bay. -
The sinking of the Lusitania
The RMS Lusitania was a UK-registered ocean liner that was torpedoed by an Imperial German Navy U-boat. -
The End of the Battle of Somme
The battle ended in November after German retreat. -
The Zimmermann Telegram
A secret coded note sent by Germany's Foreign Minister, Arthur Zimmermann with a message for the Mexican government. The note asked the Mexican government to declare war on the United States and promised to help Mexico take back Texas, Arizona, and New Mexico. -
The US joins the War
President Woodrow Wilson, the US President at the time went before a joint session of Congress to request a declaration of war against Germany. -
Treaty of Brest Litovsk
This was a treaty signed between the new Bolshevik government of Russia and the Central Powers (German Empire, Austria-Hungary, Bulgaria, and the Ottoman Empire). This treaty ended Russia's participation in World War One -
The Treaty of Versailles
This was the treaty that ended World War One. The treaty stated peace and the end of the war between the Allied Powers and the German Empire.