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| 1922, Feb. 23 |
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| Serious riots erupted over the issue of universal suffrage. | 1 |
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| June 2 |
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| The Sino-Japanese agreement over Shandong was ratified, resulting in friendlier relations with China and the return of Jiaozhou (Dec. 10). | 2 |
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| June 11 |
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Kat Tomosabur succeeded Takahashi Korekiyo as prime minister. | 3 |
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| July 6 |
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| Treaties from the Washington Conference (See 1921, Nov. 12–1922, Feb. 6) were ratified by Japan, and Japan's naval budget was reduced by 117 million yen. | 4 |
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| Sept. 6–24 |
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| The Changchun Conference with the Soviet Union was a failure, and Japan continued to occupy northern Sakhalin. | 5 |
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| Oct |
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| The last of the Japanese troops left Siberia, over four years after the first ones had arrived, having failed to defeat the Bolshevik Revolution. | 6 |
| Frank Lloyd Wright (1869–1959) built Tokyo's Imperial Hotel. | 7 |
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