1950s

Gerassi discussed the parallels between the witchhunt directed against gay men in Boise during the 1950s and the recent arrests of twelve men charged with sex offenses in Revere.

Source: wiktionary

Jumming, a particular type of agriculture requiring burning of forest to prepare floor for farming has been prohibited in the Madhupur Garh Forest from the 1950s but continues to be practiced in the Chittagong Hill Tracts.

Source: wiktionary

But as in the case of Japan, the results of self-dealing corruption largely remain in the country rather than escaping to Swiss bank accounts as often happened with the style of 1950s era corruption seen in Vietnam or the Philippines.

Source: wiktionary

Perfluoroalkyl and polyfluoroalkyl substances (PFASs) have been manufactured since the 1950s for use as surface protectants for textiles and leather treatment, as protection additives in food packaging and paper products, and in firefighting foams.

Source: wiktionary