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Assassination of Archduke Francis Ferdinand
Archduke Francis Ferdinand was the heir of Austria Hungary. He and his wife were assassinated by Gavrilo Princip, who was a Bosnian Serb nationalist. This event was the main cause of the World War 1. -
Kaiser Wilhelm ll officially supports Austria-Hungary
Emperor Kaiser Wilhelm ll gave Austria-Hungary a blank check. Which means if war was declared between Serbia and Austria Hungary then Germany would help Austria-Hungary. He promised his unconditional support to them. -
Austria-Hungary declares war on Serbia
The assassination of the heir of Austria Hungary caused by a Serbian was a direct cause of World War 1. Austria-Hungary created an ultimatum with a ton of demands, but Serbia ended up breaking one of those demands. Austria-Hungary declared war on Serbia exactly one month after the death of Archduke Francis Ferdinand. -
Germany invades Belgium
The Germans demanded to get through Belgium, so that they could reach France. Belgium at the time was neutral and the Belgium government refused them to go through. Also, Britain offered military support to Belgium. -
Lusitania
Lusitania was the name of a British ship that was sunk by a German U-boat. There were about 128 American passengers on the boat. The event brought up the idea of the United States declaring war, but they stayed neutral. -
Battle of Verdun
The battle was between the Germans and French at the hills north of Verdun-sur-Meuse in France. It was one of the most brutal and longest battles in World War 1. In total there were about 750,000 casualties from the battle. -
The Zimmerman Note
It was a coded telegram that The United States was able to decipher. Germany sent a letter to Mexico asking them to join the Central Powers. The letter concerned The United States because then they would have an enemy close by them. -
The United States Enters the War
The United States president Woodrow Wilson got congress to declare war on Germany. The sinking of Lusitania and the Zimmerman note influenced this decision. Along with wanted to help out the United States' allies, Britain and France. -
Russian Civil War Starts
This war was between the Red Army and Anti-Bolshevik armies. The Red Army was made up of the Bolsheviks and the leaders were Leon Trosky and Vladimar Lenin. They were nationalists who fought and won the war in Russia. While WWl was still going on. -
Treaty of Versailles
This was the official document that ended World War 1 and was signed at the Palace of Versailles. It was created and discussed between the United States, France, and Britain. The Central Powers had no say in the treaty. There were harsh punishments against Germany.