Smilodon gracilis ("the slender Smilodon") was the smallest and earliest of the sabertooth cats. It first appeared in the United States about 2.5 million years ago and lived until about 500,000 years ago.
... 11 - Henry LaBouisse[?], head of UNICEF (1965-1979)
February 11 - Sir Keith Holyoake, New Zealand Prime Minister (1960-1972)
February 20 - Alexei Kosygin[?], ...