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December 12 – Toei Subway Line 1 (present-day Asakusa Line) opens between Higashi-Ginza and Shimbashi in Tokyo, Japan. This is the fourth extension of the line since it opened in 1960.[2]
12"東京都交通局,交通局について,都営地下鉄"[History of the Transportation Bureau]. kotsu.metro.tokyo.jp (in Japanese). Archived from the original on 23 February 2024. Retrieved 12 July 2024.
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