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Euler introduced the term affine (Latin affinis, "related") in 1748 in his book "Introductio in analysin infinitorum."
Felix Klein's Erlangen program recognized affine geometry as a generalization of Euclidean geometry.
An affine group is the group of all affine transformations of a finite-dimensional vector space.
Stylidium affine was created in 1845.
Medicorophium affine was created in 1859.
Agonum affine was created in 1837.