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BC means before Christ and when Christ was born, they couldn't call it before Christ. that when they changed it to AD, which stands for Anno Domini, roughly translated into year of our lord. Fairly self explanatory. BC = Before Christ. AD = Anno (Year of) Domini (The Lord (Christ)). The change was the roman pinpoint of the birth of Christ. It is chronologically inaccurate but the world reference nonetheless.

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โˆ™ 2010-09-16 20:47:30
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Q: Why did BC change to AD?
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