British naturalist Charles Darwin publishes On the Origin of Species, the chief proponent of evolutionary biology. While many Americans rejected Darwinism, a supplementary theory called Social Darwinism emerged to support human natural selection.
For over 75 years, American Heritage has chronicled our nation's history like no other publication. Please support our trusted, non-partisan historical writing and the volunteers that sustain it by donating today. We rely on contributions from readers like you to survive. Donate
