1980 Event Cosmonauts Popov and Ryumin set space endurance record of 184 days 1980 Event Cosmonauts Ryumin and Popov break space endurance record of 176 days 1979 Event Soviet Cosmonauts Vladimir Lyakov and Valery Ryumin returned to Earth aboard Soyuz 34 after a record 175 days in space 1939 Birthday Valeri V Ryumin, cosmonaut, Soyuz 25, 32 1932 Birthday Valery Viktorovich Ryumin, U.S.S.R., cosmonaut, Soyuz 25, 32/34, 35/37
