What Do BC, AD, BCE, and CE Stand For and What is the Difference Between Them When Referring to Dates?

In 525 AD the Christian church introduced a calendar using the year of Christ’s birth, 1 AD, or “Anno Domini,” as the starting point.

Earlier events were BC, or “Before Christ.”

Uncomfortable with these references, non-Christians replaced BC with BCE for “Before the Common Era” and AD with CE, the “Common Era.”

About Karen Hill

Karen Hill is a freelance writer, editor, and columnist. Born in New York, her work has appeared in the Examiner, Yahoo News, Buzzfeed, among others.

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