Meanings
Origin
From evolution + day. From being the anniversary day of the day that On Origin of Species by Charles Darwin was originally published in 1859. From On Origin of Species being the seminal work that introduced biological evolution as the origin of the diversity of life on Earth.
Full word history & related roots →Cite this entry
Evolution Day. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Evolution%20Day
“Evolution Day.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Evolution%20Day. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “Evolution Day,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Evolution%20Day.
Source: Evolution Day on Wiktionary, CC BY-SA 4.0.