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The assassination of Archduke Ferdinand and his wife
The Archduke and his wife were visiting Bosnia when they were shot inside their car by a Serbian nationalist, Gavrilo Princip. This event is important because this caused Austria-Hungary to declare war on Serbia -
Austria-Hungary Declares War on Serbia
Austria-Hungary declares war on Serbia a week after Archduke Ferdinand's assassination. this is why WWI started. -
Belgium is Invaded
Germany invades Belgium which pushed Britain to ally with France, Russia, and Serbia. -
Battle of Tannenberg
Russia invaded east Prussia and German Poland but got stopped by German and Austrian forces. this ended with a German victory against the Russians. -
The Ottoman Empire Joins WWI
Europe tried to fight against the Ottoman Empire, which caused them to join the Central Powers. this caused Germany and Austria to have another ally against the Allied forces. -
The Lusitania Sinks
The Lusitania was a Britain ship that was traveling from New York to Liverpool when it was torpedoed by a German boat and sank. -
The First Battle of Isonzo
This battle took place after Italy joined the Allied forces. -
Battle of Verdun
The battle of Verdun was one of the longest battles during WWI. This battle was fought along the Western Front between the French and the Germans -
Battle of Jutland
This battle is the biggest naval engagement in World War I. It was fought between Britain and Germany when Germany attempted to break the block -
Battle of Somme
The Battle of Somme was the second-longest battle in WW1, between the French and Germans on the Western Front -
The United States Joins WWI
President Woodrow Wilson asked congress to declare war on Germany after four American ships were sunk by Germany in the month of March -
Battle of Caporetto
This battle was a victory for Austria-Hungary due to German help. This battle took place on the Italian front -
The Russian Revolution
After two years of defeat, the Russian population was unhappy with Russia's leaders. They revolted which forced Russia to form an armistice with the Central Powers, therefore, allowing them to move their forces toward Russia's allies on the Western Front -
Truce Treaty
After years of fighting the armistice and Germany signed the truce treaty officially ending the war and coming to peace. -
The Treaty of Versailles
After Germany surrendered they had Germany sign a treaty called a "war guilt" treaty meaning they take all responsibility for the damages of the war and has to pay for all repairs