How the Green Berets got their name
Harm Venhuizen
“Quiet Professionals.†“Snake Eaters.†“Soldier-Diplomats.†“Bearded Bastards.â€
U.S. Army Special Forces are known by a variety of nicknames, but their exclusive right to wear the Green Beret was not recognized until nearly a decade after their formation.
Founded in 1952 as part of the U.S. Army Psychological Warfare Division, the 10th Special Forces Group was the first of its kind, according to Army archives.
https://www.armytimes.com/off-duty/2020/07/14/how-the-green-berets-got-their-name/