This happened today, September 21

1954 – 1st nuclear submarine, USS Nautilus, commissioned under Commander Eugene P. Wilkinson

1957 “Perry Mason” with Raymond Burr premieres on CBS-TV

1958 1st airplane flight exceeding 1200 h1c6e51287b058733f85103835f8bf3bfours, lands, Dallas Texas

1966 – Jimmnautilus_launchy Hendrix changes spelling of his name to Jimi

1970 “Monday Night Football” premieres on ABC – Browns 31, Jets 21