Anno Domini
Anno Domini (AD or A.D.) and Before Christ (BC or B.C.) are designations used to label or number years used with the Julian and Gregorian calendars. The term Anno Domini is Medieval Latin, translated ...
Anno Domini - Wikipedia
Calendar era
A calendar era is the year numbering system used by a calendar. For example, the Gregorian calendar numbers its years in the Western Christian era (the Coptic and Ethiopic churches have their own Chri...
Common Era
Common Era (also Current Eraor Christian Era),abbreviated as CE, is an alternative naming of the calendar era, Anno Domini ("in the year of the/our Lord", abbreviated AD).BCE is the abbreviation for B...
0 (year)
Year zero does not exist in the Anno Domini/Common Era system usually used to number years in the Gregorian calendar and in its predecessor, the Julian calendar. In this system, the year 1 BC is follo...
Astronomical year numbering
Astronomical year numbering is based on AD/CE year numbering, but follows normal decimal integer numbering more strictly. Thus, it has a year 0, the years before that are designated with negative numb...
Millennium
A millennium (plural millennia) is a period of time equal to 1000 years. It derives from the Latin mille, thousand, and annus, year. It is often, but not necessarily, related to a particular dating sy...
Millennium - Wikipedia
List of millennia
This is a list of all Wikipedia's articles on millennia:
Year Zero (political notion)
The term Year Zero (Khmer: ឆ្នាំសូន្យ chhnam saun), applied to the takeover of Cambodia in April 1975 by the Khmer Rouge, is an analogy to the Year One of the French Revolutionary Calendar. During...