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Japan attacks Manchuria
https://en.wikipedia.org/wiki/Japanese_invasion_of_Manchuria The Japanese controlled the eastern parts of Manchuria and most Korean Peninsula. -
Japan leaves League of Nations
https://www.upi.com/Archives/1933/02/24/Japan-stuns-world-withdraws-from-league/2231840119817/ https://www.historycentral.com/asia/JapLeavesLeago%27Nations.html The American policy was adopted by the League of Nations. -
Germany leaves League of Nations
https://www.wdl.org/en/item/11598/ Germany's departure from the international organization was followed by its massive military buildup. -
US Neutrality Acts Signed
Congres passed the first Neutrality Act prohibiting the export of,"arms, ammunition, and implements of war" from the US to foreign nations.
https://history.state.gov/milestones/1921-1936/neutrality-acts -
Japan attacks China
A few days after the beginning of Japan's undeclared war on China, Secretary Hull issued a statement of fundamental principles of international policy.
https://www.mtholyoke.edu/acad/intrel/WorldWar2/china.htm -
Germany takes over Austria
Soldiers of the German army marched into a Nazified Austria and Austria waited for triumphant entry of Adolf Hitler.
https://www.upi.com/Archives/1938/03/12/German-troops-enter-Nazified-Austria/1187480131841/ -
Munich Peace Conference Begins
Hitler was determined to seize the Sudetenland but had a substantial German population and important industrial resources.
https://www.historytoday.com/archive/munich-conference -
Germany takes over Czechoslovakia
Hitler informed his generals that they should begin planning for "the liquidation of the remainder of Czechoslovakia."
http://www.historyplace.com/worldwar2/triumph/tr-czech.htm -
Non-Aggression Pact between Germany and Soviet Union
The pact contained a secret agreement in which the Soviets and Germans agreed how they would later divide up Eastern Europe.
https://www.history.com/topics/world-war-ii/german-soviet-nonaggression-pact -
Germany invades Poland
The Polish forces were severely under-equipped and attempted to take the Germans head-on with horsed cavaliers in a forward concentration.
https://www.history.com/this-day-in-history/germany-invades-poland -
France Falls to the Germans
https://en.wikipedia.org/wiki/Battle_of_France The French government were looking for peace with Germany. https://www.historynet.com/fall-of-france -
Battle of Britain begins
https://bentleypriorymuseum.org.uk/bentley-priory-and-the-battle-of-britain/battle-of-britain-timeline-10-july-1940-31-october-1940/ https://www.ducksters.com/history/world_war_ii/battle_of_britain.php The towns and army defenses on the southern coast were first attacked by Germany.