Boris II of Bulgaria died in 977.
Prince Boris of Bulgaria was born in 1997.
Boris III of Bulgaria was born on 1894-01-30.
tzar Boris II
Tsar Boris III of Bulgaria was born on January 30, 1894.
Tsar Boris III of Bulgaria was born on January 30, 1894.
Boris Sharlandzhiev was born on February 1, 1920, in Bulgaria.
Boris Kremenliev was born on May 23, 1911, in Razlog, Bulgaria.
Boris Lukanov was born on June 15, 1936, in Lovech, Bulgaria.
Boris Angelov was born on May 27, 1936, in Sofia, Bulgaria.
Boris Arabow was born on February 19, 1925, in Sofia, Bulgaria.
Boris Karadimchev was born on March 30, 1933, in Yambol, Bulgaria.