Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ a na-esote n'otu asụsụ ahụ dị ka amaokwu ahụ: Passage: Vladimir Mikhailovich Petlyakov (Russian) (15 June 1891 <unk> 12 January 1942) bụ onye injinia ụgbọ elu Soviet. Ajụjụ: Mgbe a kpọtara Vladimir n'ụwa a?
15 Julaị 1891