annus mirabilis (n.)
Latin, literally "wonderful year, year of wonders," title of a 1667 publication by Dryden, with reference to 1666, which was a year of calamities in London (plague, fire, war), but the English overcame them and scored important military victories in the war against the Dutch. From annus "year" (see annual (adj.)) + mirabilis "wonderful, marvelous, extraordinary; strange, singular" (see marvel (n.)).
updated on September 22, 2022