The #1 song on March 11, 1975

Black Water By The Doobie Brothers

Other #1 songs on March 11, 1975

UK #1 Song

If
Telly Savalas

#1 R&B Song

Supernatural Thing (Part I)
Ben E. King

#1 Country Song

Before the Next Teardrop Falls
Freddy Fender

#1 Dance Track

Bad Luck
Harold Melvin & the Blue Notes

Notable March 11 birthdays in the 1970s

Elton Brand

Born March 11, 1979
Becky Hammon

Born March 11, 1977
Johnny Knoxville

Born March 11, 1971