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Assassination of Archduke Francis Ferdinand
Archduke Ferdinand and his wife were killed by Serbian rebels part of the "Black Hand" group. They assassinated Ferdinand because of a threat toward Serbian independence. This event cause turmoil which led to World War 1. -
Austria-Hungary Declares War on Serbia.
This event officially started World War 1 and was caused by the assassination of Archduke Ferdinand. -
Austria-Hungary Invades Russia
After several invasions by both the Allied Powers and Central Powers, Austria-Hungary Invades Russia because they knew that Russia would likely side with Serbia. Russia was looked at as Serbia's protector so Austria-Hungary invaded Russia to get to Serbia. -
First Battle of the Marne
The Allied Forces pushed back the Germans and enabled the French to continue the war. However German forces succeeded and captured a large portion of north east France. -
German Submarine sinks Lusitania
A German U-Boat sunk Lusitania, a passenger ship heading to New York from Liverpool. This casualty ended with around 1200 dead and 128 of those being Americans. This event caused the US to join World War 1. -
Italy Declares War on Austria-Hungary
Italy left the Central Powers and joined the Allied Powers when they were offered a slice of Austria and the Ottoman Empire after the Central Powers were defeated. -
Naval Battle of Jutland
British and German fleets fought and it proved the dominance of the British naval forces. Secured the control of shipping lanes. -
Battle of Somme
Allied offensive fought against German forces along the Western Front of the Great War. There was a week long artillery bombardment and infantry assault against German positions. There were over 300,000 fatalities. -
United States severs diplomatic relations with Germany.
US-German relations were terminated in 1917 during World War 1. Wilson threatened to cut off relations unless Germany would refrain from attacking passenger ships. Germany broke the pact when they sunk the unarmed French boat, the Sussex. -
American Combat Forces Arrive in France
After the US declared war against Germany, they joined the battle by sending forces to France. -
Fourteen Points presented to Congress
President Wilson presented his plan called Fourteen Points to Congress. Fourteen Points was Wilson´s ideas regarding the nation´s foreign policy. He created this plan to keep the United States isolated from other nations. -
Women Telephone Operators Arrived in Europe
American women were recruited to serve as bilingual telephone operators for the American Endownment Foundation. The women went to Europe to run the US military telephones in Europe. -
Treaty of Brest-Litovsk Signed
Germany and Russia signed the Treaty of Brest-Litovsk, a peace treaty, which stated that Russia would no longer participate in World War 1. -
Battle of Cantigny
The first major American battle of World War 1. United States won and proved to Allied and Central powers that they could fight. -
American Forces at Marne River
The American forces stopped the German forces from crossing the Marne river at Chateau-Thierry. Along with the Battle of Cantigny, this showed other countries that the US military was strong. -
Meusse-Argonne
Final Allied offensive of World War 1. Helped break the stalemate of the war and ended with Allied forces on top. Ended World War 1 -
Germany signs Armistice
Germany signed the Armistice to surrender and end World War 1. Matthias Erzberger signed the treaty on behalf of Germany´s new government. -
British and American Forces Enter Germany
British and American troops get sent to Germany to keep them in check as part of Armistice signed. -
Draft of League of Nations is Made
A first draft of the League of Nations was made and was approved a few months later. Promotes international co-operation for peace and security. -
Treaty of Versailles takes Effect
Primary treaty produced at the Paris Peace Conference after World War 1. The treaty forced Germany to surrender colonies, reduce its military, pay war reparations, and accept responsibility for war.