Vladimir Konstantinov was born on 19 March 1967. He was American national and known as Ice hockey player.
Vladimir Konstantinov was born on 19 March 1967. He was Russian national and known as Ice hockey player.
Aleksey Konstantinovich Tolstoy was born on 05 September 1817. He was Russian national and known as poet,novelist.
Nadezhda Konstantinovna Krupskaya was born on 26 February 1869. He was Russian national and known as Revolutionary.
