The #1 song on March 21, 1949

Cruising Down the River By Russ Morgan

Other #1 songs on March 21, 1949

#1 R&B Song

The Huckle-Buck
Paul Williams and His Hucklebuckers

#1 Country Song

Don't Rob Another Man's Castle
Eddy Arnold, the Tennessee Plowboy, and his Guitar

Notable March 21 birthdays in the 1940s

Cho Yong-pil
Pop Singer
Born March 21, 1950
Manny Sanguillen
Baseball Player
Born March 21, 1944
Arthur Green
Non-Fiction Author
Born March 21, 1941
Linda Lee Cadwell
Memoirist
Born March 21, 1945
Ray Dorset
Rock Singer
Born March 21, 1946
Catherine Lim
Novelist
Born March 21, 1942