1910s

The 1910s (pronounced "nineteen-tens" often shortened to the "'10s" or the "Tens") was the decade that began on January 1, 1910, and ended on December 31, 1919. The 1910s represented the climax of European militarism which had its beginnings during the second half of the 19th century. The conservative lifestyles during the first half of the decade, as well as the legacy of military alliances, were forever changed by the June 28, 1914, assassination of Archduke Franz Ferdinand, the heir presumptive to the Austro-Hungarian throne. The archduke's murder triggered a chain of events in which, within 33 days, World War I broke out in Europe on August 1, 1914. The conflict dragged on until a truce was declared on November 11, 1918, leading to the controversial and one-sided Treaty of Versailles, signed on June 28, 1919. The war's end triggered the abdication of various monarchies and the collapse of four of the last modern empires of Russia, Germany, Ottoman Turkey, and Austria-Hungary, with the latter splintered into Austria, Hungary, southern Poland (who acquired most of their land in a war with Soviet Russia), Czechoslovakia, and Yugoslavia, as well as the unification of Romania with Transylvania and Bessarabia. However, each of these states (with the possible exception of Yugoslavia) had large German and Hungarian minorities, creating some unexpected problems that would be brought to light in the next two decades. The decade was also a period of revolution in many countries. The Portuguese 5 October 1910 revolution, which ended the eight-century-long monarchy, spearheaded the trend, followed by the Mexican Revolution in November 1910, which led to the ousting of dictator Porfirio Díaz, developing into a violent civil war that dragged on until mid-1920, not long after a new Mexican Constitution was signed and ratified. The Russian Empire had a similar fate,...