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The Next Heir for Austria-Hungary got Assassinated - On June 28, 1914, Archduke Franz Ferdinand and his wife were assassinated by Gavrilo Princip. They were shot at close range. This was the fuse to WW1.

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Austria-Hungary Declared war - The month after Franz Ferdinand was assassinated, Austria-Hungary declared war on Serbia. Within days, ally countries were declaring war on each other. This was the start of WW1.

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Belgium Refused to Let Germany Pass Through - On August 2, German troops demanded to be let through Belgian territory. Belgium refused because this would make them liable for Germany's attack on France. They believed this would go against their neutrality in the war.

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Great Britain Declared War on Germany - Britain declared war on Germany to defend Belgium's neutrality. Belgium's neutrality was guaranteed by multiple nations in Europe. They tried their best to stay out of the war.

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Austria-Hungary Declared War on Russia - Austria-Hungary declared war on Russia because Russia played the role of Serbia's "protector". This caused Austria-Hungary to believe any tensions between them and Serbia would cause tensions between them and Russia. Therefore, Austria-Hungary decided to declare war before Russia could.

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Battle of Mulhouse - The Battle of Mulhouse was one of the first battles of WWI between France and Germany. This was a battle to gain territorial advantage. It was a German victory.

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Battle of Tannenberg—This battle was fought between Russia and Germany. It started after Germany secretly intercepted messages between two Russian leaders, Samsonov and Rennenkampf, allowing the Germans to take Samsanov's army by surprise. This surprise happened in Tannenburg, starting the battle.

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Germans Began a Retreat - This retreat was north of the Aisne River. They dug a trench for defense.

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The First Battle of Ypres - This battle was fought in Belgium. It was fought between Germany and allied armies such as Belgium, France, and Britain. The Allies won.

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The Second Battle of Ypres - This battle was between the Central Powers and the Allies. It marked the German's first use of poison gas as a method. The Allies won once again.

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United States Occupation of Veracruz - The U.S. invaded Veracruz because the government refused to apologize for the U.S.S. Dolphin incident. This was related to the Mexican Revolution and led to the start of the Battle of Veracruz.

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The Gallipoli Invasion - A land-based strategy to allow Allied ships to pass through the Dardanelles. It was intended to push Turkey out of the war. The main killing factor was Artillery fire and shrapnel.

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the Lusitania Sank - The German torpedo U-20 torpedoed and sank the Lusitania which was a British ship. This killed 1,195 people. 123 of those people were American.

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Edith Cavell was Executed - Edith Cavell was accused of 'harboring the enemy', causing her to be executed. She helped hundreds of British, French, and Belgian soldiers escape the Germans. Her last words were, "Ask Father Gahan to tell my loved ones later on that my soul, as I believe, is safe and that I am glad to die for my country."

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Battle of Verdun - This battle was fought on the Western Front in France between France and Germany. It was one of the longest and bloodiest wars of WWI. The Germans lost because they were not prepared.

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Battle of Somme - The first battle of WWI where Britain and France fought against Germany. The first day of the battle was the bloodiest, causing over 57000 casualties. It was an Allied victory.

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Woodrow Wilson Won the Presidential Election - His win was very close! He won the election by just 300 points. It took all his skill to win.

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The Zimmerman Telegram - This telegram showed what Germany's ideas were if the U.S. entered the war. This included urging Mexico to join. This helped the U.S. to enter to prove them wrong.

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Germany Continued to do Unrestricted Submarine Warfare - This warfare was to destroy neutral ships that were supporting the Allies. It also sent more merchant and passenger ships to the ocean's floor and the loss of American lives went up. This caused America to join on the Allies side.

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The 300 Year Old Russian Dynasty Ends -

Nicholas the second stepped down from the throne. He was going to pass it down to one of his sons but he refused. His son refusing sent the Russian Empire to end.

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The United States Declared War -

The US declared war on the German Empire entering World War 1. There are a couple reasons the US finally declared war: Germany's unrestricted warfare, the Zimmerman Telegram, and we wanted to help the other countries. American troops and suplies were added the the Allied powers.

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Third Battle of Ypres -

Rain and mud defined this battle. It rained for three weeks in a row so soldiers had to fight in mud. there were heavy casualties on both sides. The allied powers won.

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Balfour Declaration -

Britain made a statement that supported Palestine being the national home for Jewish people, which turned in a letter. The British secretary, Arthur James Balfour and others signed it. Britain did this to win Jewish support.

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14-Point Program -

President Woodrow Wilson presented his 14 point plan for world peace at a joint congress. Some of his points were: the League of Nations, self- determination, and freedom of the seas. In the end the 14 points failed because he could not get the US on board.

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The Treaty of Brest-Litovsk -

A treaty signed by Soviet Russia and the Central powers. This treaty was to pull Russia out of the war. They left early because it was in the best interest of Russian Communists.

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The Sinking of the President Lincoln -

The President Lincoln was a troop transport ship. On its fifth delivery of men to France, the ship was hit by three torpedos from a German U-Boat. 26 people died and an officer was taken prisoner.

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The German Empire Came to an End -

Kaiser Wilhelm the second lost support of the military and was forced to step down from his throne. He had to flee Germany and go to Holland. Power went to a leader of the leftwing Social Democratic Party.

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Germans were told to sign the Armistice -

Once the Germans heard word of Kaiser Wilhelm the second stepping down, they were told to sign the armistice. Their new government instructed them to do this. An Armistice is a political initiative where the military is extricated.

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Armistice Day -

An Armistice was signed between Germans and Allied powers, it was singed at 11:00 am on November 11th. This signing ended world war one. On the last day of war 2,738 men died.

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The Treaty of Versailles -

This was a peace treaty that officially ended World War 1. the treaty included: the creation the of the League of Nations, was very harsh on Germany, and the Mandate System. Germany was blamed for the war and had to pay 30 billion dollars in war reparations.

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Treaty of Sèvres -

A post war treaty that abolished the Ottoman Empire and divided its land. It made Turkey renounce all rights over Arab Asia and North Africa. This made Turkey unhappy because they were close to achieving a Greek nationalist project called the Magali Idea.