13.04.1944 Only recorded combat of Re.2000 Heja II in Hungarian hands, a few inexperienced RHAF pilots attacked an American bomber formation, losing three of their own with no damage to the American planes. After this, the Re 2000 were used solely for training. Reggiane Re.2000 Falco/Heja I/II
13.04.1972 Bell AH-1G Cobras of 3rd Brigade of 1st Cavalry Division of US Army, engaged a column of North Vietnamese T-54, destroying four with 70 mm rockets with HEAT warheads, near An-Loc. This was the first time when a tank was destroyed by a helicopter. Bell AH-1 Cobra