At which letter do the years switch from BCE to CE?

BCE/CE continues to be used because it is more accurate than BC/AD. Dionysius had no understanding of the concept of zero and neither did Bede. The calendar they dated events from, therefore, is inaccurate. The year 1 AD would follow 1 BC without a starting point for the new chronology of events.

i do believe that the correct answer is   (technical reasoning); luck

explanation:

answer; cultural trait;