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| 1952, Feb. 25 |
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| The peace treaty negotiations with Nationalist China came to a deadlock over Japan's refusal to recognize Chinese Nationalist sovereignty over Communist-held territory and over Chinese insistence that 1937 be acknowledged as the date when hostilities broke out, rather than 1941, as Japan claimed. | 1 |
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| April 28 |
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| A peace treaty with Nationalist China was signed, under which Japan renounced title to Taiwan, the Pescadores, and its former assets in China. On the same date the war in the Pacific formally ended, and the U.S.-Japanese Mutual Security Pact went into effect. | 2 |
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| Aug. 5 |
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| Diplomatic relations resumed with Nationalist China. | 3 |
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| Oct. 1 |
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| In general elections, the conservative Liberal Party, led by Prime Minister Yoshida Shigeru, won 240 out of 466 seats in the Diet. Not a single Communist Party candidate was elected. | 4 |
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| Nov. 12 |
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| In the first formal step toward defensive rearmament, the U.S. agreed to lend Japan 18 frigates and 50 landing craft. | 5 |
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