Salyut 1
Salyut 1 is launched as the first space station.
Role range: 1917-1991 – 1961-1975
Historical biography archive · Updated 2026-11-03
Mstislav Keldysh Biography and Timeline
Follow Mstislav Keldysh through 5 dated historical records for Russia.
Mstislav Keldysh, historical timeline
A chronological timeline drawn from matching World History Database records.
5Distinct records
1 of 1Page
1971–1971Years on this page
1971
Mars 2
Mars 2 is launched toward Mars as part of the Soviet planetary programme.
Role range: 1917-1991 – 1961-1975
Mars 3
Mars 3 is launched toward Mars as part of the Soviet planetary programme.
Role range: 1917-1991 – 1961-1975
Mars 2 Landing
Mars 2 reaches Mars and its lander becomes the first human-made object to impact the planet.
Role range: 1917-1991 – 1961-1975
Mars 3 Landing
Mars 3 achieves the first soft landing on Mars before contact is quickly lost.
Role range: 1917-1991 – 1961-1975
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.