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At July 28, 1914, 11:00 Am in Sarajevo, Bosnia and Herzegovina, Archduke Francis Ferdinand is assassinated by Gavrilo Princip because that they were convinced that the Serbian government had assisted Princip's group, Austria-Hungary issued a series of harsh demands. -
Telegram of Austria-Hungary`s declaration of war on Serbia on 28th July 1914. Telegram of Austria-Hungary`s declaration of war on Serbia on 28th July 1914 marked the beginning of the First World War -
Germany invades Luxembourg and Belgium. France invades Alsace. British forces arrive in France. Nations allied against Germany were eventually to include Great Britain, Russia, Italy, Australia, New Zealand, South Africa, Rhodesia, Romania, Greece, France, Belgium, United States, Canada, Serbia, India, Portugal, Montenegro, and Poland. -
The Austria-Hungary military invades Russia. Northern Austria (in present-day Poland) -
The First Battle of the Marne was fought September 6-12, 1914, during World War I (1914-1918) and marked the limit of Germany's initial advance into France.
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Britain's blockade across the North Sea and the English Channel cut the flow of war supplies, food, and fuel to Germany during World War I. -
At dawn on 25 April 1915, Allied troops landed on the Gallipoli peninsula in Ottoman Turkey. The Gallipoli campaign was the land-based element of a strategy intended to allow Allied ships to pass through the Dardanelles, capture Constantinople (now Istanbul) and ultimately knock Ottoman Turkey out of the war. -
German submarine sinks the passenger liner Lusitania during crossing from New York to Liverpool, England, killing 128 Americans. -
The Treaty of London was signed on 26 April 1915 and Italy declared war against Austria-Hungary on 23 May 1915. -
The Battle of Verdun began on 21 February 1916 at 7.15 am when the German army began pounding the forts and trenches with artillery fire. 1,200 guns smashed the French positions. -
Battle of Verdun ends with 550,000 French and 450,000 German casualties. -
U.S.-German relations were terminated in 1917 during World War I. -
U.S.-German relations were terminated in 1917 during World War I, and the United States declared war on Germany. -
On December 15, 1918, in the city of Brest-Litovsk, located in modern-day Belarus near the Polish border, Russia signed a treaty with the Central Powers Germany, Austria-Hungary, Ottoman Empire, Bulgaria ending its participation in World War I 1914-18 -
Germany begins its final offensive of the war in Northern France. -
At 5:30 on the morning of September 26, 1918, after a six-hour-long bombardment over the previous night, more than 700 Allied tanks, followed closely by infantry troops, advance against German positions in the Argonne Forest and along the Meuse River. -
On Nov. 11, 1918, after more than four years of horrific fighting and the loss of millions of lives, the guns on the Western Front fell silent. Although fighting continued elsewhere, the armistice between Germany and the Allies was the first step to ending World War I. -
The Treaty of Versailles was signed by Germany and the Allied Nations on June 28, 1919, formally ending World War One. The terms of the treaty required that Germany pay financial reparations, disarm, lose territory, and give up all of its overseas colonies.