“Now why was AD CE changed since they are identical?”
They are not identical except in era referred to. One means Year of the Lord - and is a clear Christian reference. The other is a reference to the same time frame, but has no explicit Christian reference. I think it’s obvious why the older system was dropped - people who were not Christians wanted to get away from a system that was explicitly Christian.
“If Jewish scientists wanted their calendar, they would call it AM/BM, After Moses or Before Moses.”
Jews have a calendar. I believe the current year according to the Jewish calendar is 5778. I do not believe it has anything at all do with “After Moses or Before Moses”.
“Same with Muhammhed”
Muslims have their own calendar. It is not “After Muhammad or Before Muhammad”. It is based upon the date of the Hegira. https://en.wikipedia.org/wiki/Hegira
“or Buddha.”
I have no idea if there is a Buddhist calendar.
“When I do grab the culture, by calling CE the Christ Era, it is the Conservatives who piss on me. Hypocrites.”
Well, maybe the problem is that you’re literally not using the correct term. Being wrong about something factual does not suddenly make you right as a Conservative. CE means Common Era. It does not mean Christ Era. Facts are stubborn things.
“CE is the Christ Era pivoted around the Christ event.”
No. CE is Common Era. Yes, it is based on Christ’s birth but that is not all there is to the “Christ event” which lasted 33 years on Earth. Again, facts are stubborn things.
“I took the culture back.”
No, you really didn’t. You did embarrass yourself, however.
“So, put that in your pipe and smoke it.”
I don’t smoke. And you don’t think very clearly.
Nobody can define Common Era.
Because it is a nonsensical, meaningless term.