The Atlanta Constitution later editorialized that no political event had so moved the white South in twenty years.
Staring at the chanting crowd of twenty thousand, he realized that “everybody, and I mean everybody, wore… blue denim.”
Fast forward twenty years and many more than twenty tabloid scandals.
Old English twentig "group of twenty," from twegen "two" (see two) + -tig "group of ten" (see -ty (1)). Cognate with Old Frisian twintich, Dutch twintig, Old High German zweinzug, German zwanzig. Gothic twai tigjus is even more transparent: literally "two tens."
The card game twenty-one (1790) is from French vingt-et-un (1781). Twenty-twenty hindsight is first recorded 1962, a figurative use of the Snellen fraction for normal visual acuity, expressed in feet. The guessing game of twenty questions is recorded from 1786. The Twentieth Century Limited was an express train from New York to Chicago 1902-1967.