Fully sovereign Romanian kingdom under the Hohenzollern-Sigmaringen dynasty beginning with Carol I's coronation in 1881; capital briefly moved to Iași during German occupation of Bucharest (1916-1918); gained substantial territory (Transylvania, Bessarabia, Bukovina) after WWI (Greater Romania), then lost much of it in 1940, before the monarchy was abolished at the end of WWII.
King Michael I abdicated under communist pressure on 30 December 1947; Parliament proclaimed the Romanian People's Republic the same day.
The atlas holds 6 border frames for Kingdom of Romania — the shape you scrub through changes in 1881 · 1915 · 1934 · 1940 · 1941 · 1945.
Cambridge's standard one-volume history covering the union of the principalities, the kingdom, and the socialist republic.