The #1 R&B song on March 21, 1944

Cow-Cow Boogie (Cuma-Ti-Yi-Yi-Ay) By The Ink Spots and Ella Fitzgerald

Other #1 songs on March 21, 1944

#1 Hit Song

Besame Mucho (Kiss Me Much)
Jimmy Dorsey

#1 Country Song

So Long Pal
Al Dexter

Notable March 21 birthdays in the 1940s

Ray Dorset
Rock Singer
Born March 21, 1946
Eddie Money
Rock Singer
Born March 21, 1949
Linda Lee Cadwell
Memoirist
Born March 21, 1945
Dirk Frimout
Astronaut
Born March 21, 1941
Nicholas Kazan
Playwright
Born March 21, 1950
Catherine Lim
Novelist
Born March 21, 1942