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| 2000, April 3 |
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| Prime Minister Obuchi suffered a stroke and was replaced two days later by LDP leader Mori Yoshiro. Obuchi died on May 14. | 1 |
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| June 25 |
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In parliamentary elections the LDP and its allies held a reduced majority in the lower house by successfully forming a coalition government with two other parties, New Komeit and the Conservatives. | 2 |
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| Aug. 2 |
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| As successive government scandals involving the cabinet secretary, finance minister, and former construction minister emerged during the year 2000, the Mori government faced strong criticism and a decline in popular support. | 3 |
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