before Christ= a.C. and Anno Domini=d.C.

AC - Avanti Cristo (Before Christ) DC - Dopo Cristo (After Christ - Anno Domini - AD)

BCE = "Before The Common era" and CE = "Common Era" are often preferred these days because they don't refer specifically to Christianity.

When one is discussing a non-Christian culture (e.g. pre-Christian Rome) that seems more appropriate. They are used quite a lot in academic writing, but haven't yet replaced AD (Anno Domini = the Year of Our Lord,which isn't comfortable for non-Christians) and BC (= Before Christ) completely.

Both BCE/CE and BC/AD are in use - the choice is yours. I personally tend to use BCE/CE, particularly in a non-Christian context.

BC (Before Christ). BC (Before Christ). ...

AC (After Christ) or CE (Christian Era) and not AD as Muslims often do unthinkingly. ...


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Note added at 31 mins (2004-04-21 18:56:38 GMT)
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http://www.muhammad.net/mnstc/mnstc12.htm

HISTORICALLY
The Holy Prophet Moses preceded Jesus Christ (pbuh) by some 1300 years and Muhammad (pbuh) succeeded to that high office vacated by Jesus some six centuries later.
It was the 12 of Rabi I., in the year of the Elephant, or the 29th of August 570 of the Christian Era1 that Muhammad (peace be on him), was born in the sacred city of Makkah in pagan Arabia. His people the Quraish remembered the year of his birth as the \"Era of the Elephant\", because just two months before the birth of the child Abraha al-Ashram, the Abyssinian viceroy of Yemen had attacked the sacred sanctuary at Makkah at the head of his troops riding a huge African elephant. A terrifying sight never to be erased from their memory and a still more shocking end to the invasion — the miraculous destruction of Abraha and his army as recorded in Sura Fil or the Elephant —
1. Always use A.C. (After Christ) or C.E. (Christian Era) and not A.D. as Muslims often do unthinkingly.1. Always use A.C. (After Christ) or C.E. (Christian Era) and not A.D. as Muslims often do unthinkingly.


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Note added at 33 mins (2004-04-21 18:58:15 GMT)
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Where you see Christian Era1 .... 1 is a note that was added at the end

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Note added at 2 hrs 59 mins (2004-04-21 21:24:21 GMT)
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Ho trovato che d.C. viene anche tradotto come a.C.

http://www.italycyberguide.com/Art/glossary/abcde.htm
a.C.= after Christ

http://www.the-artfile.com/uk/history/middleages/middleages....
The good will go to heaven and the bad will be banished to hell. In the Middle Ages the people were convinced of the fact that this event would take place exactly 1000 years after the birth of Christ. This year divides the Middle Ages in the Early (500 a.C. - 1000 a.C.) and the Late Middle Ages (1000 a.C. - 1500 a.C.).


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Note added at 3 hrs 10 mins (2004-04-21 21:34:53 GMT)
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Alta documentazione con BC e AC

http://www.dokus.com/beer/ancienttimes.htm
After the fall of the Sumerians in 2000 before Christ (BC) the process of beer brewing was improved in Babylon. The Babylonians brewed twenty different beers of which eight were based on pure fermentation.
….
The Romans drunk more wine, the beverage for gods while beer was more drunk by what the Romains considered the barbarians. In the first century after Christ (AC) the word cervesia is used with which they make zythum in Egypt, celia and cerea in Spain cervesia and different other names in Gaul and other provinces.