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Assassination of Archduke Franz Ferdinand
The assassination of Archduke Franz Ferdinand was important because it was a single terrorist act that set off a chain reaction within the alliance system. It would result in the largest war Europe had ever seen. -
Austria-Hungary’s Declaration of War
The countries of Europe followed through on their numerous and complex pledges to support one another. As a result, nearly all the nations of Europe soon were drawn into the war. -
Schlieffen plan
When under the Schlieffen Plan, a large part of the German army would race west, to defeat France, and then return to fight Russia in the east. -
First Battle of the Marne
The First Battle of the Marne was the first major clash on the Western Front. The First Battle of the Marne was the single most important event in the war. The defeat of Germany put the Schleiffen plan in ruins. -
Battle of Limanowa
With this battle on the eastern front, Austria, along with Germany turned the tide and drove Russia eastward. -
Gallipoli Campaign
It was a major campaign to try and Constantinople. The Allies searched for a way to end stalemate. -
Battle of Verdun
Germany went on the offense which led to many casualties. -
Battle of Somme
The Battle of Somme went from July - Septemeber 1916. The British forces went on the offense and fought back to Germany. When the Battle of Somme ended, each side had over half a million casualties. -
Unrestricted Submarine Warfare
This event was important because Germany decided to establish its own naval blockade around Britain. The Germans announced that their submarines would sink without warning any ship in the waters around Britain. -
United States Enters War
President Wilson asked Congress to declare war. The United States entered the war on the side of the Allies. -
Russian Revolution
The war led to civil unrest and eventually led to Russia’s withdrawal in the war. -
Second Battle of the Marne
Allies advanced and forced Germans to retreat and eventually seize fire. -
Armistice
Armistice is an agreement to stop fighting. This was important because this agreement stopped World War I. -
Treaty of Versailles
The Treaty of Versailles was the peace treaty at the end of World War I. It was a compromise between Germany the allied powers of the French, British and the U.S. This was important because the treaty created a league of nations, meant to keep the peace. It also punished Germany.