Venus flyby probe and lander February 19, 1964 at 05:47 UTC · Launch Failure Molniya 8K78 — Soviet Space Program, to Venus flyby 1/5, Baikonur Cosmodrome, Republic of Kazakhstan The world's 302nd orbital launch attempt, and 9th of 1964. Data: Launch Library 2, The Space Devs. Image via The Space Devs.