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Franz Ferdinand and his wife were assassinated by the black hand while going to visit victims of a previous attack on them. Their driver happened to make a wrong turn right onto the street that their attackers were. -
Exactly one week after the assassination of Franz Ferdinand, Austria Hungary declared war on Serbia. This was the beginning of the war. -
Belgium was invaded by Germany because Germany needed to cross through Belgium in order to declare war on France. This caused France, Serbia, and Russia to ally with Britain. -
During this battle, Russia invaded Prussia and German Poland. They were stopped by Austrian and German forces in the process causing a German victory over Russia. It was one of the first major battles of WW1. -
This battle was fought in Belgium and Belgians had over 20,000 casualties while the Germans suffered over 130,000 casualties after a month of fighting at the Ypres. The British army faced a great detriment after this battle. -
The allies tried to gain a victory by going against the Ottoman Empire. This caused them to join the central powers in the war causing German and Austria to gain an ally. -
A German U-Boat sunk the Lusitania causing the US to join the WW1. This is because Britain and the US were trade partners and the sinking caused a stop in trade. -
This battle occurred after Italy joined the war with the allies. It was fought between Austria Hungary and Italy on the Italian Front. There were 12 total battles of the Isonzo. -
The battle of Verdun was between France and Germany. There were about 400,000 French casualties and about 350,000 German casualties. It was one of the longest battles of the war but it resulted in a victory for France. -
The battle of Jutland was fought between Germany and Britain. It was a naval battle. Germany attempted to break the blockade but failed. Britain secured control of shipping lanes. -
When Russia lost more than 2 million soldiers on the Eastern front, it caused conflict and revolution. This resulted in the abdication of Tzar Nicholas ll. -
Germany sinks American passenger and merchant ships causing conflict. The Zimmerman telegram was also a main cause for causing US to go to war. It was an encoded message from a German minister to Mexico to try to get Mexico to join them in the war but he offered American territory. -
Russia signed a treaty with Bulgaria, Germany, Ottoman Empire, and Austria Hungary stating that they are no longer participating in the war. -
Turkey (Mudros) signed an armistice with the Allies which caused them to withdrawal from the war. -
The Treaty of Versailles caused Germany to take full responsibility for the war. It also caused allied countries to get paid war reparations. The treaty caused Germany to surrender colonies and its military was reduced. It ultimately was the end of the war.