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On June 28, 1914, Archduke Franz Ferdinand, the heir to Austro-Hungarian throne and his wife, the Duchess of Hohenberg got shot by Gavrilo Princip. The assassination started war and it soon led to World War because of the alliances between countries. When Austria-hungary declares war with Serbia, Serbia and Russia's alliance declares war on Austria Hungary, Germany declares war on Russia. -
Just after the World War I began Austria-Hungary invaded Russia as part of the Central Powers plan to fight the Allies. They hoped to weaken Russia and take control of its land. Austria-Hungary had some early victories but Russia quickly fought back. The war on the eastern Front became long and brutal with many casualties on both sides. In the end Austria-Hungary failed to defeat Russia and Russia left the war after the Russian Revolution in 1917. -
The Battle of Tannenberg happened from August 26 to 30. It was fought between Germany and Russia in what is now Poland. The Germans led by General Paul von Hindenburg trapped and destroyed the Russian Second Army capturing or killing about 92,000 Russian soldiers. The German victory was a big boost for their side and changes the course of the war on the Eastern Front. -
The German army was close to capturing Paris but the Allied forces stopped them. The Allies attacked and pushed the Germans back forcing them to retreat. It was an important victory for the Allies and stopped Germanys quick advance. This battle marked the start of a long drawn-out war on the Western Front. -
The Gallipoli Campaign was an attack by the Allies on the Gallipoli Peninsula in Turkey. They wanted to capture a key waterway to help supply Russia during World War I. The Turkish army fought back strongly and the Allies couldn't make progress. After many months and heavy losses the Allies had to retreat without winning. -
The Lusitania was a British ship that was sunk by a German submarine. It was traveling from New York to England with 1,959 people on board. Germany had warned that it would attack ships in the area, but the attack still made many people angry. The sinking killed 1,198 people and many Americans became upset with Germany. This event helped lead the United States to join the war in 1917. -
The Battle of Verdun was when the Germans wanted to wear down the French army by attacking Verdun. The battle was very long and deadly with over 700,000 soldiers killed, wounded, or missing. It was mostly fought in trenches with heavy artillery fire and little ground gained. The French held on and managed to defend Verdun. The battle became a symbol of Frances determination and sacrifice during the war. -
Germany decided to limit its attacks with submarines which had been sinking all ships. This came after pressure from countries like the United States, especially after the sinking of the Lusitania. Germany hoped this would stop the U.S. from joining the war. But in 1918 Germany started using submarines to attack ships again which helped bring the U.S. into the war. -
The battle of the Somme was one of the most bloodiest and longest battles during World War 1. This battle was fought in Somme River because British wanted German troops away from Verdun. Germany was trying to attack Verdun to drain their resources. Both sides lost a great number of soldiers at the end of this battle and no one won. -
The Zimmermann Telegram was a secret message sent by Germany to Mexico. In the telegram Germany promised to help Mexico get back land it lost to the United States like Texas, New Mexico, and Arizona if Mexico joined the war on Germanys side. The British intercepted the message and gave it to the U.S. When they found out about it many Americans were outraged. This along with Germanys attack on American ships pushed the U.S. to declare war on Germany in April 1917. -
The Russian Revolution during World War I was a series of events in 1917 that ended the Russian Empire. Many people were unhappy with the Tsar and how he was handling the war so Tsar Nicholas stepped down and a temporary government took control. However, this new government didn't sold important problems. This new government continued the war and poor living conditions leading to the October Revolution. This Revolution pulled Russia out of the war and started the Russian Civil War. -
The United States declared war on Germany after trying to stay out of World War I. Germanys attack on American ships made the U.S. angry. The Zimmermann Telegram also pushed America to join the war. President Woodrow Wilson asked Congress to declare war saying it was to help protect democracy. The U.S. joining the war gave the Allies a big boost and helped them win. -
The Battle Of Bullecourt happened from April 10 to April 17 during World War I. Australian soldiers attacked German positions near the village of Bullecourt in France. The Germans had strong defenses making it hard for the Australians to succeed. Despite some progress the Australian suffered heavy losses and couldn't capture the village. They were forced to pull back after intense fighting. the battle ended with many casualties and little gained. -
The Armistice was the agreement that ended the fighting on World War I between the Allied Powers and Germany. The armistice required Germany to withdraw from occupied territories and surrender weapons and military equipment. This didn't end the war but it led to the Treaty of Versailles in 1919. The terms were harsh on Germany, reflecting the Allies military victories and Germanys weakened position. The armistice occurred at 11:00 AM on November 11 and is now commemorated as Veterans Day. -
The Treaty of Versailles was a peace document signed at the end of World War 1 by the Allied and by Germany. Territory was taken from Germany and it did not satisfy any nation. The Treaty of Versailles failed due to the Allies disagreement on how best to treat Germany and Germany refused to accept the terms of reparations.