Question: The bombing of Romania in World War II comprised two series of events: until August 1944, Allied operations, and, following the overthrow of Ion Victor Antonescu's dictatorship, operations by Nazi Germany, Antonescu was a Romanian soldier and authoritarian politician who, as the Prime Minister and "Conducător" during most of World War II, presided over how many successive wartime dictatorships?
Sentence (from "Romanian policy referendum, March 1941"): A second referendum on Antonescu's policies was held in November.
Relevant evidence: No