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Archduke Ferdinand and his wife were assassinated by Princip, a member of a Serbian nationalist terrorist group (The Black Hand) fighting against Austria-Hungary's rule over Bosnia.
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Austria-Hungary declares war on Serbia which would start world war 1. Austria-Hungary declares war on Serbia because of the death of Archduke Franz Ferdinand.
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Germany declares war on Russia, France, and Belgium. Britain declares war on Germany. Austria declares war on Russia. Montenegro declares war on Austria. France declares war on Austria. Britain declares war on Austria. Montenegro declares war on Germany. Japan declares war on Germany. Austria declares war on Belgium. All these countries declared war on each-other because of the alliances that were previously formed.
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Battle of the Marne was the first battle of World War 1, It resulted in an Allied victory against the German armies in the west. The Germans plan Beginning of Trench Warfare.
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The Ottoman launched the Black Sea Raid against Russian ports. After the attack, Russia, Britain and France declared war on the Ottomans.
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The German military launches the first large-scale use of chemical weapons in war at Ypres, Belgium. More than 1,100 people were killed by the attack and over 7,000 were injured.
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Gallipoli was an attempt to force the Dardanelles and capture the Ottoman capital at Constantinople. The attempt was a disaster. The Allies suffered more than 200,000 casualties during the nine-month battle.
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The British ocean liner Lusitania was sunk by a German U-boat off the southern coast of Ireland. It Killed 1,200 people, including 128 of them U.S. citizens. The ship had been carrying over 170 tons of rifle ammunition and artillery shells.
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The Battle of Verdun lasted 10 months. The French and German armies at Verdun, France had about 700,000 casualties, including 300,000 killed. Entire French villages had been wiped from the map. The battle resulted in a French victory.
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This battle was a joint operation between British and French forces intended defeat the Germans on the Western Front after 18 months of trench deadlock. There were about 1 million casualties. After four months of conflict British Commander in Chief called a halt to his army, ending the Battle.
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The Zimmermann Telegram was a secret diplomatic communication issued from the German Foreign Office that proposed a military alliance between Germany and Mexico. Germany also encourages Mexico to attack the USA. But the British intercept the Telegram and inform the united states.
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President Woodrow Wilson declared war against Germany. Germany's actions of submarine attacks on passenger and merchant ships, the lusitania sinking, and the interception of the Zimmermann telegraph became the primary reasons behind why Wilson's lead the United States into World War I.
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The Soviet government concludes a separate peace with the Central Powers when it accepts the Treaty of Brest-Litovsk. Russia surrenders to Ukraine and its Polish, Finland and Baltic territories.
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The Fourteen Points was a statement of principles for peace that was to be used for peace negotiations in order to end World War I. Created by President Woodrow Wilson.
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The Treaty of Versailles was the most important of the peace treaties. It brought World War I to an end. The Treaty ended the state of war between Germany and the Allied Powers. It also held Germany responsible for starting the war and imposed harsh penalties in terms of loss of territory, massive reparations payments and demilitarization.
