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THEORY OF THE GENERAL RELATIVITY
Einstein then spent 10 years trying to include acceleration in the theory and published his theory of general relativity in 1915. In it, he determined that massive objects cause a distortion in space-time, which is felt as gravity. -
THE FIRST MOVING ASSEMBLY LINE
Henry Ford installs the first moving assembly line for the mass production of an entire automobile. ... The workers who built his Model N cars arranged the parts in a row on the floor, -
PANAMA CANAL OPENS
when the steam "Ancón" officially inaugurated the Panama Canal. The interoceanic highway began operations 24 hours a day in May 1963 -
The Decree on Land
The Decree on Land, written by Vladimir Lenin, was passed by the Second Congress of Soviets of Workers', Soldiers', and Peasants' Deputies on 8 Novembe -
WW1 ended with an armistice
The Armistice of 11 November 1918 was the armistice signed at Le Francport near Compiègne that ended fighting on land, sea and air in World War I between the Allies and their opponent, Germany. -
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MIGUEL PRIMO DE RIVERA
Miguel Primo de Rivera y Orbaneja was a Spanish military man who ruled as a dictator between 1923 and 1930. -
PENICILLIN
Penicillin G or benzylpenicillin was the first antibiotic widely used in medicine; its discovery has been attributed to Alexander Fleming in 1928 -
Von Hindenburg appointed Hitler as Chancellor of Germany
Adolf Hitler is named chancellor of Germany. On January 30, 1933, President Paul von Hindenburg names Adolf Hitler, leader or führer of the National Socialist German Workers Party (or Nazi Party), as chancellor of Germany. -
Spanish civil war starts
Also known to the Spanish as the quintessential Civil War, it was a warlike conflict that would later also reverberate in an economic crisis -
The end of Spanish Civil War
On March 28, 1939, General Franco's nationalist troops entered Madrid. See how The Guardian reported the immediate aftermath of the three-year civil war -
The invasion of Poland
The German invasion of Poland was a military action by Nazi Germany aimed at annexing Polish territory. The technical operation, known as the "White Case," began on September 1, 1939, and the last units of the Polish army surrendered on October 6 of that year.
