The Soviet Union's mighty Antonov design bureau had been working on a behemoth of an aircraft, and on this day, the Antonov An-225 Mriya, the largest aircraft in the world, took to the skies for its maiden flight. With a wingspan of 290 feet and a maximum takeoff weight of 640 tons, this gargantuan plane was a marvel of engineering. Powered by six massive turbofan engines, the An-225 was designed to transport massive payloads, including the Soviet space shuttle Buran. This first flight marked a major milestone in aviation history, demonstrating the plane's capabilities and paving the way for its future use in heavy-lift cargo transportation.