Kosmos designation begins with Kosmos 1Mar 16, 1962Labels: Kosmos 1, Soviet spaceKosmos 1Kosmos satellite
First successful Zenit reconnaissance mission fliesApr 26, 1962Labels: Kosmos 4, Zenit reconnaissanceKosmos 4Space Review
Kosmos numbering expands to military technology testsJun 30, 1962Labels: Kosmos series, military testsKosmos satelliteKosmos 8
Kosmos 41 supports early Molniya communicationsAug 22, 1964Labels: Kosmos 41, Molniya systemMolniyaMolniya 1
Meteorological satellites fly under Kosmos labelJun 25, 1966Labels: Kosmos 122, Meteor programKosmos 122Kosmos 144
First Tsiklon navigation satellite launches as Kosmos 192Nov 23, 1967Labels: Kosmos 192, Tsiklon navigationList 1 250Reshetnev
Co-orbital anti-satellite kill demonstrated in orbitNov 1, 1968Labels: Kosmos 252, IS anti-satelliteIS programList 1 250
RORSAT program launches nuclear-powered Kosmos 954Sep 18, 1977Labels: Kosmos 954, RORSATKosmos 954EDN
Kosmos 954 reenters and scatters debris over CanadaJan 24, 1978Labels: Kosmos 954, Canada reentryKosmos 954JAXA law
Kosmos designation continues into early-warning systemsFeb 14, 1991Labels: Oko system, Kosmos designationKosmos 2133
Soviet collapse ends the original 1962–1991 eraDec 26, 1991Labels: Soviet collapse, Kosmos transitionBritannica