Mikhail Kalashnikov's masterpiece was finally ready! The AK-47, one of the world's first proper assault rifles, had its design finalized on this day in 1947. Born out of the devastation of WWII, this rugged, reliable, and highly effective weapon would go on to become an iconic symbol of Soviet power and a staple of modern warfare. Its impact would be felt for decades to come, with the AK-47 being used in conflicts all around the globe.