Dec 03, 1978
Varna
Dec 13, 1980
Pleven
Dec 31, 1987
Plovdiv
Dec 01, 1951
Plovdiv
Dec 07, 1975
Topolovgrad
Dec 17, 1947
Vratsa
Dec 19, 1946
Varna
Dec 20, 1945
Razgrad