In poker, a game played with a no limitbetting structure allows any player to raise any amount of his stake at any time (subject to the table stakes rules and any other rules about raising).
... Premier of the Soviet Union[?] (+ 1980)
February 25 - Adelle Davis[?], nutritionist, writer (+ 1974)
February 29 - Jimmy Dorsey, bandleader (+ 1957)
March 1 - ...