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Japan invades Manchuria.
Seeking raw materials to fuel its growing industries, Japan invaded the Chinese province of Manchuria in 1931. By 1937 Japan controlled large sections of China, and war crimes against the Chinese became commonplace. -
Fascist Italy invades, conquers, and annexes Ethiopia.
Ethiopia, one of only two independent African nations at the time, was invaded on Oct. 3, 1935 by Fascist Italy under Benito Mussolini. The Italians committed countless atrocities on the independent African state. -
Nazi Germany and Fascist Italy
Nazi Germany and Fascist Italy sign a treaty of cooperation on October 25. On November 1, the Rome-Berlin Axis is announced. -
Japan invades China.
outside of Beijing, Japanese and Chinese troops clashed, and within a few days, the local conflict had escalated to a full, though undeclared, war between China and Japan -
Germany incorporates Austria in the Anschluss.
Nazi Germany annexed the neighboring country of Austria (Österreich). This event is known as the Anschluss. “Anschluss” is a German word that means “connection” or “joining.” Austria: Maps By annexing Austria, the Nazis violated the Treaty of Versailles and the Treaty of Saint-Germain. -
under German pressure
Under German pressure, the Slovaks declare their independence and form a Slovak Republic. The Germans occupy the dismantled Czech lands in violation of the Munich agreement and form the Protectorate of Bohemia and Moravia. -
Germany invades Poland, initiating World War II in Europe.
one week after the signing of the Molotov–Ribbentrop Pact between Germany and the Soviet Union, and one day after the Supreme Soviet of the Soviet Union had approved the pact. -
Germany invades Denmark and Norway
Germany invades Denmark and Norway. Denmark surrenders on the day of the attack. Norway holds out until June 9. -
The British bomb Köln
The British bomb Köln (Cologne), in the start of a bombing campaign that brings the war home to Germany. Over the next three years Anglo-American bombing reduces urban Germany to rubble.