1st century BC

The 1st century BC started the first day of 100 BC and ended the last day of 1 BC. It is considered part of the Classical era, epoch, or historical period. An alternative name for this century is the last century BC. The AD/BC notation does not use a year zero; however, astronomical year numbering does use a minus sign, so '2 BC' is equal to 'year -1'.
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