[4] When the Karabakh war began, Aliyar Aliyev voluntarily joined the ranks of the Azerbaijani Armed Forces.

[2] After the first Armenian rallies in Stepanakert in February 1988, Azerbaijanis deported from their own homelands and the first refugees were settled in Gubadly, Azerbaijan.

Aliyar carried out military operations to strengthen the defensive line along the border with Kafan, Goris regions of Armenia and Hadrut district of Azerbaijan.

After the capture of Lachin district by the Armenians, Aliyev's battalion began an operation to recapture this area.

On 3 October 1992, Aliyar Aliyev was killed in a fight with Armenian soldiers in the battle on the Shurumbashi Upland of the Lachin district.