May 1939 – September 1939★★★★★
Battles of Khalkhin Gol
Soviet and Mongolian forces under Georgy Zhukov defeat the Japanese on the Mongolian–Manchurian border.
War· Mongolia, Japan, Russia, China
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Events this year
August 23, 1939★★★★★
Molotov–Ribbentrop Pact
Nazi Germany and the Soviet Union sign a non-aggression pact with a secret protocol dividing Eastern Europe into spheres of influence.
Treaty· Germany, Russia, Poland, Estonia, Latvia, Lithuania, Finland
September 1, 1939 – September 2, 1945★★★★★
World War II
Germany invades Poland, starting the deadliest conflict in human history, which ends with Japan's formal surrender on 2 September 1945.
War· Germany, Poland, United Kingdom, France, Russia, United States, Japan, China
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
July 17, 1936 – April 1, 1939★★★★★
Spanish Civil War
Nationalists led by Francisco Franco fight the Republicans; Franco's victory leads to a dictatorship lasting until 1975.
War· Spain