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  Siege of Tsingtao was the attack on the German port of Tsingtao (Qingdao) in China during World War I by Japan and the United Kingdom, starts as part of WWI.
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  Treaty of Versailles ended the war. Germany was blamed for the war and had to pay $35 billion in reparations.
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  Japanese Economy Interwar Periodhad prices collapses and a long stagnation in a national crisis.
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  The Washington Conference was a military conference called by U.S. President Warren G. Harding.
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  The Japanese Communist Partyis a political party in Japan and one of the largest non-governing communist parties in the world.
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  The Great Kantō earthquakestruck the Kantō Plain on the Japanese main island of Honshū. Many fires broke out because the earthquake occurred at lunch time, when everyone was cooking.
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  The Immigration Act of 1924was a United States federal law that limited the annual number of immigrants who could be admitted from any country to 2% of the number of people from that country who were already living in the United States in 1890
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  The Universal Suffrage Act increased the number of voters from 3 to 12 million, but becomes de facto a military dictatorship under nominal imperial rule
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  The Japanese invade Manchuriaand installs a puppet regime, which is supposedeley independent but is actually dependent on others.
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  Makoto Saitos appointed the Prime Minister of Japan. The Cabinent chose to resign Saito because of the Teijin Incident bribery scandal.
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  The Sino-Japanese War was the capturing of Shanghai, Beijing and Nanjing amid atrocities like the "Rape of Nanjing", in which up to 300,000 Chinese civilians were killed.
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  World War IIcauses the fall of France in 1940, Japan moves to occupy French Indo-China.
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  The Attack on Pearl Harborwas the suprise attack on the US Pacific fleet at Pearl Harbor, Hawaii. US and main allies declare war on Japan.
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  Japan occupies succession of countries, including Philippines, Dutch East Indies, Burma and Malaya. In June, US aircraft carriers defeat the Japanese at the Battle of Midway. The US begins a strategy caled "'island-hopping", in which they cut off Japanese suport lines.