the millennium bug

A year of the Common Era/Christian Era; anno Domini; numbered from the once estimated first year for the birth of Jesus Christ.

An annual holiday of several cultures that marks the beginning of a new year according to a lunar or lunisolar calendar, as opposed to a new year dictated by a solar calendar such as the Julian or Gregorian calendars.

The year 1816, in which severe climate abnormalities caused average global temperatures to decrease.

plural of one-year-old

plural of 100-year flood

A flood event that has a 1% probability of occurring in any given year; an exceptionally large flood.

A year that does not contain the day February 29.

plural of year 2000 problem

plural of hundred-year storm