Bogdan Dimitrov Filov was a Bulgarian archaeologist, art historian and politician. He was prime minister of Bulgaria during World War II. During his tenure, Bulgaria became the seventh nation to join
The history of Bulgaria during World War II encompasses an initial period of neutrality until 1 March 1941, a period of alliance with the Axis powers until 8 September 1944, and a period of alignment
German Wehrmacht officers in Bulgaria in 1939
Bulgarians entering Southern Dobruja in Romania per the Treaty of Craiova (1940)
Bulgarian invasion of southern Yugoslavia (Vardar Macedonia, April 1941)
Bulgarian invasion of eastern Serbia (Western Outlands, April 1941)