Soviet aircraft designer Artem Mikoyan, one of the founders of the Mikoyan military aircraft design bureau later transformed into Russian Aircraft Corporation MiG, was born on August 5, 1905.

Following the first flight of the Ye-2, Mikoyan-Gurevich developed the first delta-wing variant of the aircraft that would become the MiG-21, designating it the Ye 4. It made its maiden flight on ...