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After the start of the Meiji period, the Tōkaidō Main Line railway connected Chigasaki Station with Tokyo and Osaka in 1898, which spurred the development of the area. Chigasaki village in Kōza District, Kanagawa Prefecture became Chigasaki town in 1908. In 1921, the Sagami Line railway connected Chigasaki with Hashimoto to the north. Chigasaki became a city on October 1, 1947.