1981 disestablishments in the United States

American underground, black nationalist militant organization

39th presidential administration and cabinet of the USA (1977–1981)

Spectravideo International Limited (SVI) (printed as Spectra Video, with the space, in game manuals) was an American computer manufacturer and software house. It was originally called SpectraVision, a company founded by Harry Fox in 1981. The company produced video games and other software for the VIC-20 home computer, the Atari 2600 home video game console, and its CompuMate peripheral. Some of their own computers were compatible with the Microsoft MSX or the IBM PC.

espionage mission of the USA directed to the Soviet Union

defunct US air traffic controller labor union, operating 1968–1981