Hatoyama Ichirō

▪ prime minister of Japan

born Jan. 1, 1883, Tokyo, Japan

died March 7, 1959, Tokyo

      one of Japan's most important post-World War II prime ministers.

      Hatoyama was born into a wealthy cosmopolitan family; his father was a graduate of Yale University, and his mother was a well-known writer and founder of a women's college. Entering politics, Hatoyama was elected to the lower house of the Japanese Diet (parliament) in 1915 as a member of the dominant Seiyūkai Party. He soon became a leading party official and in 1931 was named minister of education. His many Western habits, however, caused him to fall out of favour with the military, which began to dominate the government, and he was forced to resign from office. Although Hatoyama spent most of the war years between 1937 and 1945 in retirement at his country estate, he was one of the few politicians running for the Diet in 1942 who opposed Prime Minister Tōjō Hideki.

      Immediately following the end of the war, in September 1945, Hatoyama reorganized the Liberal Party as the successor to the Seiyūkai. But in May 1946, just as he was about to assume the prime ministership, Hatoyama was forbidden to hold any political office by the occupying American forces, who were suspicious of his association with the prewar Japanese government. It was not until April 1952, after the Japanese peace treaty with the Western nations went into effect, that Hatoyama was permitted to take his seat in the Diet.

      He soon split with Prime Minister Yoshida Shigeru and in November 1954 organized a new dissident Democratic party. After forcing Yoshida to resign as prime minister in December 1954, Hatoyama succeeded him in office. Because he ruled without a clear majority in the Diet, Hatoyama helped merge the two conservative parties, the Liberals and the Democrats, into a new Liberal-Democratic Party, of which he was elected president in November 1955.

      As prime minister, Hatoyama was the first Japanese politician to utilize radio and television media in campaigning. He succeeded in improving Japan's relations with other Asian countries and in reaching an agreement with the Soviet Union, under the terms of which the two countries resumed trade; Japan's efforts to reclaim the northern islands of Habomai, Shikotan, Kunashiri, and Etorofu remained a point of contention, however, and prevented the signing of a formal peace treaty.

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