In dictionaries:
Retrocession Day
the annual observance and former public holiday in Taiwan commemorating the end of Japanese rule of Taiwan and Penghu and the claimed return of Taiwan to the Republic of China on 25 October 1945.
District of Columbia retrocession
the act of returning some or all of the land that had been ceded to the federal government of the United States for the purpose of creating its federal district for the new national capital, which was moved from Philadelphia to what was then called the City of Washington in 1800.
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