Why is the 1st century BC also known as the "last century BC"?

I was reading the article about the 1st century BC on Wikipedia, and in the opening sentence it said that the 1st century BC is also known as the "last century BC." Now, since the words "first" and "last" are totally antithetical to each other, this does not make sense to me. History buffs: why is the 1st century BC also known as the "last century BC"?

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  • Anonymous
    10 years ago
    Favorite Answer

    BC means "Before Christ." Everything since that date is how long it has been since the birth of Jesus. Everything before that date is a countdown to the even of Christ's birth. So, the year before Jesus was born was the last year of the countdown until his birth.

  • 10 years ago

    The time BC is counted backwards, because BC refers to the time BEFORE the alleged birth of Jesus.

    So 500 BC means 500 years before that, and 1 BC means 1 year before that. So it's the last century BC since after that the years shift in AD

  • 10 years ago

    Well BC on a timeline is similar to negative numbers on a number line. AD is positive. So 1'st century BC is the last century before year 0 and it goes into AD.

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