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"Bloody Sunday Massacre" by Tsarist troops in St. Petersburg left Russian workers dead and cost Nicholas support among the workers and farmers.
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The spark of WW1 untill the start of WW2
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Archduke Franz Ferdinand heir to the throne of the Austro-Hungarian Empire, and his wife are assassinated in Sarajevo
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Emperor Franz Joseph of Austria-Hungary declares war on Serbia.
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Germany mobilizes her armed forces and declares war on Russia and in two days on france too.
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Germany declares war on neutral Belgium and invades in a right flanking move designed to defeat France quickly. As a result of this invasion, Britain declares war on Germany.
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German army, led by Erich Ludendorff and Paul von Hindenburg achieves its greatest victory of the war on the Eastern front against Russia at the Battle of Tennenberg.
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German army, led by Erich Ludendorff and Paul von Hindenburg achieves its greatest victory of the war on the Eastern front against Russia at the Battle of Tennenberg.
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First Battle of the Marne halts German invasion in France.
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War becomes "Total War" with German Zeppelin air raid on England
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U-boat sinks the Lusitania. 1,198 civilians, including 128 Americans die.
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The longest battle of the war, the Battle of Verdun, is fought to a draw with an estimated one million casualties.
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US President Wilson publicly warns Germany not to continue unrestricted submarine warfare policies
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The Battle of Jutland, the only major naval engagement of the war is fought with no clear winner.
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The Battle of the Somme results in an estimated one million casualties and no breakthrough for the Allies. British introduce the tank, an effective weapon but far to few to make much of a difference.
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Reich Foreign Secretary Zimmermann's telegram to Mexico urging her entry into war against the United States is discovered and translated by the British.
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The United States passes the Selective Service Act empowering the Federal Government to draft men for the armed forces.
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Third Battle of Ypres, known as Passchendaele, results in minor gains, but still no breakthrough in the Western front at the cost of 700,000 casualties for both sides.
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Two waves of influenza kill more people than did the war
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President Woodrow Wilson declares his 14 points as the path to permanent world peace.
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Former Tsar Nicholas II, his wife, children, and members of his entourage are murdered by the Bolsheviks.
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Woodrow Wilson sets sail for the Paris Peace conference.
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Peace Treaty signed by German delegates and Allies in Versailles
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President Wilson brings his campaign for the ratification of the Treaty of Versailles and its League of Nations to the American people.
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War cemeteries created on the fronts; war memorials dedicated in villages and cities at home
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The United States Senate fails to ratify the Treaty of Versailles and U.S. involvement in the League of Nations.
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The 19th Amendment to the U.S. Constitution, which gave women the legal right to vote, was ratified.
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Adolf Hitler imprisoned for sedition against the Weimar Republic; writes Mein Kampf.
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Adolf Hitler named Chancellor of Germany by President Hindenburg.
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Second World War begins.
