February 3 – The unmanned Soviet Luna 9 spacecraft makes the first controlled rocket-assisted landing on the Moon.[1]
February 10 – Soviet fiction writers Yuli Daniel[2] and Andrei Sinyavsky are sentenced to five and seven years, respectively, for "anti-Soviet" writings.
February 20 – While Soviet author and translator Valery Tarsis is abroad, the Soviet Union negates his citizenship.[3]: 140
March
March 1 - Soviet space probeVenera 3 crashes on Venus, becoming the first spacecraft to land on another planet's surface.[4]
May 4 - Fiat signs a contract with the Soviet government to build a car factory in the Soviet Union.
July
July 16 – British Prime Minister Harold Wilson flies to Moscow to try to start peace negotiations about the Vietnam War (the Soviet government rejects his ideas).
October
October 7 – The Soviet Union declares that all Chinese students must leave the country before the end of October.[8]
October 11 – France and the Soviet Union sign a treaty for cooperation in nuclear research.