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Archduke Franz Ferdinand was assassinated
Archduke Franz Ferdinand was assassinated by a Serbian nationalist named Gavrilo Princip.
http://www.history.com/this-day-in-history/archduke-franz-ferdinand-assassinated -
Austria-Hungary declare war on Serbia
Exactly one month after Archduke Franz Ferdinand was assassinated, Austria-Hungary declared war on Serbia which started the beginning of WWI. -
The Battle of Tannenberg begins
The battle was fought between Russia and Germany in the first month of WWI. The battle finished in entire destruction of the Russian Army and suicide of their commanding general, Alexander Samsonov.
http://www.history.com/this-day-in-history/battle-of-tannenberg-begins -
Battle of Marne Begins
The first battle of Marne began. Trench warfare began as soldiers on both sides started fighting. -
Battle of Ypres
Allied and German forces began the first battle to control the city and its advantageous positions on the north coast of Belgium.
http://www.history.com/this-day-in-history/first-battle-of-ypres -
Germany declares a "war zone" around Great Britain
Kaiser Wilhelm announced an important step in the development of that policy, proclaiming the North Sea a war zone. -
The second Battle of Ypres starts
During this battle, the Germans used poison gas for the first time ever. -
The Battle of Gallipoli begins
An unsuccessful attempt by the Allied Powers to control the sea route from Europe to Russia. -
The Battle of Verdun begins
This battle came about because of German General Erich von Falkenhayn. This battle was the longest battle of WWI and one of the bloodiest. -
The Battle of Jutland
It involved 250 ships and 100,000 men, the battle was off Denmark's North Sea coast and was the only major naval battle of the war. -
The Battle of Somme
It was one of the largest battles, tanks were finally introduced into the battle. -
The Battle of Passchendaele
It was the third battle of Ypres. -
Treaty of Brest Litovsk
Russia signed Treaty of Brest Litovsk. It was a peace treaty between Russia and the Central Powers. -
The second Battle of Marne
It was near the Marne River, and the Germans began the final offensive push of WWI. The conflict ended shortly in a major victory for the Allies. -
Treaty of Versailles
Germany agreed to pay reparations under the Dawes Plan and the Young Plan.
https://www.britannica.com/event/Dawes-Plan
