The Butler Act was a 1925 Tennessee law prohibiting public school teachers from denying the Biblical account of man’s origin. It was enacted as Tennessee Code Annotated Title 49 Section 1922...
which made it unlawful to teach evolution
Evolution is any change across successive generations in the heritable characteristics of biological populations. Evolutionary processes give rise to diversity at every level of biological organisation, including species, individual organisms and molecules such as DNA and proteins.Life on Earth...
Scopes was found guilty, but the verdict was overturned on a technicality and he went free.