Oleg Yanchenko's birth name is Oleg Grigoryevich Yanchenko.
Vasili Yanchenko died in 1959-08.
Vasili Yanchenko was born on 1894-01-01.
Stepan Efimovich Yanchenko has written: 'Perekhodnye formy proizvodstvennykh otnoshenii'
Oleg of Novgorod died in 912.
Oleg Neikirch died in 1985.
Oleg Grigoriev died in 1992.
Oleg Firsov died in 1998.
Oleg Tyurin died in 2010.
Oleg of the Drevlyans died in 977.
Oleg Yaroslavich died in 1189.
Oleg Koshevoy died in 1943.