Nikola Obretenov was born on 1849-05-28.
Nikola Obretenov died on 1939-10-11.
Georgi Obretenov was born in 1849.
Lyubomir Obretenov was born on August 15, 1925, in Sofia, Bulgaria.
Ivan Obretenov was born on November 10, 1924, in Krashko, Targovishte, Bulgaria.
Ivan Obretenov went by Bateto.
Georgi Obretenov died on 1876-05-10.
Nikola Nikančevski was born on 1987-06-01.
Nikola Brejchová was born in 1974.
Nikola Avramov was born in 1897.
Nikola Petroff was born in 1873.
Nikola Lazarov was born in 1870.
Nikola Padevsky was born in 1933.