If by "Common Era" you are referring to the era name system, then Christianity coincided with the beginning of the Common Era. In fact, the Common Era is also known as the "Christian Era" or "Current Era".
The year 1 CE is the year in which a 6th century monk estimated that Jesus had been born when he created the Common Era calendar.
25 before the common era.
2000 BCE. This means 2000 years before common era. it used to be referred to as "bc" until the scientific community decided that that was too centered on Christianity so they changed it from "bc=before christ" to "bce=before common era" and "ad=anno domini (the year of our lord)" to "ce=common era"
AD=anno domini=in the year of our Lord=latin=Catholic CE=common era=secular humanist BCE=before the common era Christianity changed the entire western world, hence the change in era.
- Before Current Era - Before Christian Era - Before Christ
Year 0
BCE = Before the Common Era or B.C.I now finally understand BC, BCE AD and CE but where does BP come in to play. Before present. Is that before 2013 or before 01?
AD = CE or Common Era or Christian Era BC = BCE or Before Common Era or Before Christian Era
Many ancient cultures painted on walls of caves before the common era. It is not known who was the first person to begin panting.
BCE= Before Common Era CE= Common Era These abbreviations are used instead of BC (Before Christ) and AD (Anno Domini, "In the year of the Lord") as being more inclusive, especially for non-Christians.
25,000 - 31 = 24,969.
BCE or before common era
A.C. means after Christ. B.C. is before Christ.