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AnnoDomini(abbreviatedasADorA.D.)isMedievalLatinmeaning“Intheyearof(the/Our)Lord”.Theabbreviationiswidelyusedafterthenumberofacenturyormillenniumorevenaftertheyearnumber(e.g.fourthcenturycenturyAD,secondmillenniumADand2011AD).Thereasonusingthisnamefo
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