KnowraCalendar eraLinked fromLinked fromThe 6 pages that link to Calendar era, each with the reason it gives.All 6Related 3Narrower topic 3Julian calendarRelated: The Julian calendar's year numbering was later paired with Christian eras.CalendarRelated: A calendar's year count depends on which event its society treats as year one.History of calendarsRelated: Different year-counting origins preserve distinct religious and political histories.