1981 Professional Air Traffic Controllers Organization strike

The PATCO Strike of 1981 was a union-organized work stoppage by air traffic controllers (ATCs) in the United States. The Professional Air Traffic Controllers Organization (PATCO) declared a strike on August 3, 1981, after years of tension between controllers and the federal government over long hours, chronic understaffing, outdated equipment, and rising workplace stress.

Source: Wikipedia — 1981 Professional Air Traffic Controllers Organization strike (CC BY-SA 4.0)