Constantin C. Giurescu
#Bucharest560: Bucharest, throne citadel and capital of the country (historical landmarks)
The first documented mention of the "citadel of Bucharest" as princely residence comes up in a document issued on 20 September 1459 by Vlad Tepes (Vlad the Impaler), ruler of Wallachia (1448, 1456-1462, 1476-1477).