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The Battle of Gallipoli begins
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Austra-Hungary declares war on Serbia
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Germany declares war on Russia
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Germany declares war on France
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The United Kingdom declares war on Germany, after Germany invades Belgium.
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Austria-Hungary declares war on Russia and Serbia declares war on Germany
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U.S. President Woodrow Wilson announces the U.S. will remain neutral
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The Battle of Tannenberg begins.
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The First Battle of the Marne begins
Trench warfare begins as soldiers on both sides dig in. -
Battle of Ypres begins
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The United Kingdom announce
The United Kingdom announces that the North Sea is a military area, effectively creating a blockade of goods into Germany -
The unofficial Christmas truce is declared
Though World War I had been raging for only four months, it was already proving to be one of the bloodiest wars in history. Soldiers on both sides were trapped in trenches, exposed to the cold and wet winter weather, covered in mud, and extremely careful of sniper shots. Machines guns had proven their worth in war, bringing new meaning to the word "slaughter." -
Germany declares a "war zone"
Germany declares a "war zone" around Great Britain, essentially effecting a submarine blockade where even neutral merchant vessels were to be potential targets -
The Dardanelles Campaign begins
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The Battle of Verdun begins. The Battle of Verdun was the longest battle of World War I and was one of the bloodiest
The Battle of Verdun begins. The Battle of Verdun was the longest battle of World War I and was one of the bloodiest -
The Second Battle of Ypres begins. It is during this battle that the Germans first use poison gas
The Second Battle Ypres was fought April 22 to May 25, 1915 during World War I (1914-1918). -
The British ocean liner RMS Lusitania is sunk by German U-boat, U-20
On May 7, 1915, the British ocean liner RMS Lusitania, which primarily ferried people and goods across the Atlantic Ocean between the United States and Great Britain, was torpedoed by a German U-boat and sunk. Of the 1,959 people on board, 1,198 died, including 128 Americans. The sinking of the Lusitania enraged Americans and hastened the United States' entrance into World War I -
Tsar Nicholas II takes personal control over Russia's armies
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The Battle of Jutland, the major naval battle of the war, begins
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The Battle of the Somme begins. During the Battle of the Somme, tanks are first introduced into battle
The Battle of the Somme was fought during World War I (1914-1918). -
Germany sends the secret Zimmerman Telegram to Mexico
Germany sends the secret Zimmerman Telegram to Mexico in an effort to entice Mexico to join the war. The British intercept and decipher the coded message The Zimmermann Telegram was a coded message sent from German Foreign Minister Arthur Zimmermann to Germany's ambassador in Mexico, Heinrich von Eckhardt, in January 1917. The British managed to intercept this coded message and were able to decipher it -
Russian Tsar Nicholas II abdicates.
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The United States declares war on Germany
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The Battle of Passchendaele (also known as the Third Battle of Ypres) begins
The Battle of Passchendaele (also known as the Third Battle of Ypres) begins The Battle of Passchendaele was fought July 31 to November 6, 1917, during World War I (1914-1918). -
The Bolsheviks successfully overthrow the Russian government during the 1917 Russian Revolution
The Bolsheviks successfully overthrow the Russian government during the 1917 Russian Revolution The Bolsheviks successfully overthrow the Russian government during the 1917 Russian Revolution -
The armistice agreed upon between the new Russian government and the Central Powers goes into effect.
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U.S. President Woodrow Wilson issues his Fourteen Points to peace.
Who Was Woodrow Wilson?
Woodrow Wilson served two terms as the 28th president of the United States. He began his career as a scholar and educator, and later gained national recognition as the reform-minded governor of New Jersey. Just two years after becoming governor, he was elected president of the United States. Despite his isolationist leanings, Wilson oversaw American involvement in World War I and was a key figure in brokering the peace between the Allied and Central powers.
Following the -
Russia signs the Treaty of Brest Litovsk, which is a peace treaty between Russia and the Central Powers.
Definition: Refers mainly to the alliance of Germany, Austria-Hungary, the Ottoman Empire and others in World War One, but can refer to the 'Triple Alliance' of Germany, Austria-Hungary and Italy in 1882. The name derives from the nations' geographic position: down the centre of Europe -
Germany launches the Spring Offensive
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German flying ace, Baron Manfred von Richthofen (more commonly known as the Red Baron), is shot down.
Early Life & Career of Manfred von Richthofen: On May 2, 1892, Manfred von Richthofen was born into a junker family near Breslau (Wroclaw, Poland). The son of Major Albrecht von Richthofen, a career cavalry officer, Richthofen learned to hunt in the family's private forests at an early age and soon excelled at shooting and riding. Moving to Schweidnitz at age nine, the youngster was first educated at home before attending school locally.
