1991 in spaceflight

This was the final year of the Soviet Union, and thus the end of the Cold War competition between the two space superpowers. The number of launches subsequently declined in the 1990s, and 2018 was the first year since 1990 to have more than 100 orbital launches.

1991 in spaceflight
The crew of STS-37 deploys the Compton Gamma Ray Observatory.
Orbital launches
First8 January
Last28 December
Total91
Successes86
Failures3
Partial failures2
National firsts
Space traveller Austria
 United Kingdom
Rockets
Maiden flightsAriane 4 44P
Atlas II
RetirementsVostok-2M
Crewed flights
Orbital8
Total travellers36