1917 – 1922★★★★★
Russian Civil War
The Bolshevik Red Army fights the White movement and other forces after the October Revolution; the Bolsheviks emerge victorious.
WarRevolution· Russia, Ukraine, Belarus, Georgia, Azerbaijan, Armenia, Kazakhstan
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Events this year
March 15, 1917★★★★★
February Revolution: abdication of Nicholas II
Protests and mutinies in Petrograd force Tsar Nicholas II to abdicate, ending more than three centuries of Romanov rule.
RevolutionDynasty· Russia
April 6, 1917★★★★★
United States enters World War I
The US Congress declares war on the German Empire, bringing the United States into World War I on the Allied side.
War· United States, Germany
November 2, 1917★★★★★
Balfour Declaration
The British government declares support for a 'national home for the Jewish people' in Palestine, while stating that the civil and religious rights of non-Jewish communities should not be prejudiced.
Politics· Israel, Palestine, United Kingdom
November 7, 1917★★★★★
October Revolution
The Bolsheviks led by Lenin overthrow the Provisional Government in Petrograd (25 October in the Julian calendar then used in Russia).
Revolution· Russia
Ongoing
1858 – 1947★★★★★
Beginning of the British Raj
After the 1857 rebellion, the Government of India Act transfers rule from the East India Company to the British Crown; the Mughal Empire formally ends.
Politics· India, Pakistan, Bangladesh, Myanmar, United Kingdom
November 20, 1910 – 1920★★★★★
Mexican Revolution
Francisco Madero calls for revolt against Porfirio Díaz, launching a decade-long revolution involving figures such as Pancho Villa and Emiliano Zapata.
RevolutionWar· Mexico
July 28, 1914 – November 11, 1918★★★★★
World War I
Austria-Hungary declares war on Serbia, drawing Europe's powers into a global war that lasts until the armistice of 11 November 1918.
War· Austria, Serbia, Germany, France, United Kingdom, Russia
April 24, 1915 – 1917★★★★★
Armenian genocide
During the First World War, Ottoman authorities carry out mass deportations and killings of Armenians, causing roughly a million or more deaths.
WarPolitics· Turkey, Armenia, Syria
June 1916 – 1918★★★★★
The Arab Revolt
With British backing, Sharif Hussein of Mecca launches an uprising against the Ottoman Empire seeking Arab independence.
WarRevolution· Saudi Arabia, Jordan, Syria