R.I.P. George Carlin, May 12, 1937 – June 22, 2008 (Wikipedia | WFMU Blog). From 1972’s Class Clown, “Seven Dirty Words You Can Never Say on Television” (7:03):

The above aired on WBAI-NYC, resulting in the 1978 Supreme Court F.C.C. v. Pacifica Foundation ruling prohibiting broadcast of “indecent” material during hours “when children are undoubtedly in the audience.”