millenium

plural millenia · plural milleniums

1. archaicArchaic spelling of millennium.

   But I think that this interval will be 1260 years: 1st, 1000 years of the millenium; 20, 260 years, the times of Gog and Magog; and the great assize, or judgment of the world, the sum of which is 1260 years.

   1833, The Christian examiner and Church of Ireland magazine, page 780

   2 more examples

   millenium, 1000 years: annuity, yearly income: annuitant; anniversary, the return of any particular day in the year; superannuated, disqualified by age. Septennial parliaments. A perennial plant. The Millenium was expected.

   1838, I. Fellows (of Wolverhampton?), The Gradational Spelling-book (page 112)

   Thus in the case of the 1,000 years, or the millenium, as it is commonly called, Mr. LORD is not only chargeable with this fallacy, but he makes it worse by mingling the two kinds of numbers together, in one arbitrary product.

   1856, Tayler Lewis, The Bible and Science, page 109

2. misspellingMisspelling of millennium.

   For millenia, LIGHT and DARK have lived in balance, [...]

   2018 October 31, Toby Fox, Deltarune Chapter 1, scene: The Legend

   2 more examples

   At this date human population will approach infinity if it grows as it has grown in the last two millenia.

   1960 November 4, Heinz von Forester, Patricia M. Mora, Lawrence W. Amiot, “Doomsday: Friday, 13 November, A.D. 2026”, in Science, volume 132, number 3436, →DOI, pages 1291–1295

   Neanderthals who lived in Siberian cave millenia apart were distant relatives, study finds

   2026 April 9, Miriam Sela-Eitam, “Neanderthals who lived in Siberian cave millenia apart were distant relatives, study finds”, in The Jerusalem Post, retrieved 18 Apr 2026