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Assassination of Archduke Francis Ferdinand
Archduke Francis Ferdinand was assassinated on the Serbian holiday, St. Vitus Day, by Gavrilo Princip who was involved in the Serbian Nationalist group, The Black Hand. This event sparked World War One. -
Ultimatum
Austria-Hungary issued an ultimatum to Serbia, which was a list of demands followed by a consequence if the demands were not followed. -
Austria-Hungary declares war on Serbia
Just a month after Archduke Francis Ferdinand was assassinated, Austria-Hungary declared war on Serbia, effectively beginning World War One. -
Battle of Tannenberg
The Battle of Tannenberg was the first battle of World War 1 that was fought in East Prussia. This battle lasted for 5 days. -
Battle of Marne
The second battle of World War 1 is known as The First Battle Marne. This battle was located in the Western Front and lasted for 8 days. -
Battle of Gallipoli
The third battle of World War 1 is known as the Battle of Gallipoli. This battle was located on the Western Front and lasted for a total of 8 months. -
Battle of Verdun
The Battle of Verdun was fought around the city of Verdun-sur-Meuse in northeast France and lasted until December 16, 1916. This battle is known to be one of the most important battles of World War One on the Western Front. It was fought between the German and French armies. -
Battle of Somme
The Battle of Somme was fought near the Somme River in France by the British and French empires against the German Empire. This battle was an effort to take German pressure off of the French at Verdun and is also known to be one of the bloodiest military battles in history. -
Zimmermann Note
The Zimmermann Note was a secret telegram sent by German foregin secretary, Arther Zimmermann, to Count Johann von Bernstorff, the German ambassador to the United States. In this telegram, Zimmermann stated that in the event of war with the United States, Mexico should be asked to enter the war as a German ally. -
The End of World War One
World War One ended at exactly 11a.m. on the 11th day of November, the 11th month. The war ended when Germany signed an armistice, or an agreement for peace and no more fighting, that was prepared by Britain and France.
