On 24 March 1945 Valiyev was posthumously awarded the title of Hero of the Soviet Union.
[1] Valiyev was born in 1923 in Yuxarı Ləgər in the Azerbaijan SSR to a peasant family.
He reportedly destroyed while alone more than three tanks, an armored personnel carrier, and a troop-carrying vehicle.
For his actions, he was posthumously awarded the title Hero of the Soviet Union and the Order of Lenin on 24 March 1945.
In the battles on the approaches to the city of Budapest, Hungary, in the area of the village of Vasad, on the line of the highway Monor-Üllő-Budapest the enemy, concentrating in this narrow sector the 13th Panzer Division, 4th Panzer Regiment and 682nd Grenadier Regiment of the Germans, under the support of massed artillery and mortar fire, covered from the air by aviation, went over to a decisive offensive, aspiring to encircle and destroy our advancing units and give themselves the opportunity to free the line of retreat of German units along the highway Monor-Üllő-Budapest highway, striking from the right flank with one desperate counterattack after another.
As a result of this action the counterattack of the Germans misfired and, suffering heavy losses in personnel, equipment and weapons, they went back to their starting positions.
In this battle, Guards Senior Sergeant Mirza Davletovich Veliyev annihilated three tanks with their entire crews, one armored vehicle and one truck with infantry and ammunition, ensuing the repulse of the desperate tank counterattack of the Germans with heavy losses for them and himself died the death of a hero.