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Adolf Hitler becomes Chancellor of Germany.
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Italy, under the leadership of Prime Minister Benito Mussolini, invades Ethiopia.
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President Franklin D. Roosevelt signs the 1937 Neutrality Act, which bans travel on belligerent ships, forbids the arming of American merchant ships trading with belligerents, and issues an arms embargo with warring nations.
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The Japanese defeat Chinese forces in a clash near Peking, taking control of North China.
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President Franklin D. Roosevelt forbids U.S. ships from carrying arms to China or Japan.
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In response to Japanese action in China, President Franklin D. Roosevelt delivers a speech in which he calls for peace-loving nations to act together to "quarantine" aggressors to protect the world from the "disease" of war.
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Japanese warplanes dive-bomb the American gunboat Panay in the Yangtze River in China. Japan apologizes and pays reparations for the lives lost.
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In the United States, popular support for American action against Japan far exceeds support for action against Nazi Germany.
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Time, Inc. releases an anti-Nazi propaganda newsreel entitled March of Time in Nazi Germany.
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German Chancellor Adolf Hitler announces support for Japan.