Person

Boris III of Bulgaria

1894–1943 · 20th century · Also known as Tsar Boris III

Boris III was Tsar of Bulgaria from 1918, when his father Ferdinand abdicated after defeat in the First World War. From 1935 he ruled through a personal regime. He brought Bulgaria into the Axis in 1941 to regain Macedonia and Thrace, but refused to declare war on the Soviet Union or deport Bulgaria's own Jews. He died suddenly in 1943.

Boris III of Bulgaria
Image: Dimitar Karastoyanov · Public domain · Wikimedia Commons

Mentioned in 1 state history

See also

Cite this entry
APA
The Epoch Institute. (2026). Boris III of Bulgaria. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/boris-iii-of-bulgaria
MLA
“Boris III of Bulgaria.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/boris-iii-of-bulgaria. Accessed .
Chicago
The Epoch Institute. “Boris III of Bulgaria.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/boris-iii-of-bulgaria.
Harvard
The Epoch Institute (2026) ‘Boris III of Bulgaria’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/boris-iii-of-bulgaria (Accessed: ).

Last reviewed October 2026Random entry ↻