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Massacre of protesters in St. Petersburg, marking the beginning of the 1905 Revolution.
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Tsar Nicholas II promises democratic reforms and a Duma (parliament).
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On June 28, 1914, Austrian Archduke Francis Ferdinand was assassinated. This led to Austri-Hungary declaring war on Serbia. This led to a chain reaction which brought Germany, Russia, France Britain into the war
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Archduke Franz Ferdinand of Austria and his wife were assassinated in Sarajevo by Gavrilo Princip, a Serbian nationalist. This event triggered a series of alliances that led to the start of World War I
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French and British forces halted the German advance near Paris during the First Battle of the Marne. This resulted in trench warfare on the Western Front, leading to a prolonged stalemate
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A German U-boat sank the British ocean liner Lusitania, killing 1,198 people, including 128 Americans. This event heightened tensions between the United States and Germany
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Strikes and protests in Petrograd due to food shortages. The army joins the protesters, collapsing the tsarist regime. Abdication of Tsar Nicholas II, marking the end of the Russian Empire. The Provisional Government is formed.
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Storming of the Winter Palace by the Bolsheviks, overthrowing the Provisional Government. Lenin and the Soviets take power.
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Germany resumed its policy of unrestricted submarine warfare, attacking any ship that might be aiding the Allies, including neutral vessels
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The February Revolution in Russia forced Czar Nicholas II to abdicate, establishing a provisional government that was later overthrown by the Bolsheviks in October
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The United States, motivated by German submarine warfare and the Zimmermann Telegram, entered World War I on the side of the Allies
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Russian Civil War between the Red Army (Bolsheviks) and the White Army (counter-revolutionaries). Execution of Tsar Nicholas II and his family in Yekaterinburg.
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Germany signed an armistice with the Allies in Compiègne, France, bringing an end to the fighting in World War I
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Lenin implements the New Economic Policy (NEP) to revive the economy.
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The Treaty of Versailles was signed at the Palace of Versailles, imposing harsh economic and military sanctions on Germany, which later contributed to the causes of World War II
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Founding of the Soviet Union (USSR).
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