January 1990: In the Caucasus, independence movements begin to crack along ethnic lines. On the streets of Azerbaijan, about 90 Armenians are killed in a pogrom, some of them tortured to death. When Soviet troops move in, ostensibly to stop the violence, more than 100 Azeris are killed. Vast crowds gather for the funerals (pictured) of Azerbaijani victims of the Soviet crackdown. &nbsp;