Assertion: calendar's year | /r/HasProperty | 1 bc
Facets:
Source sentences:
text: There is no year zero in this scheme, so the year AD 1 immediately follows the year 1 BC.
text: For computational reasons, astronomical year numbering and the ISO 8601 standard designate years so that AD 1 = year 1, 1 BC = year 0,
text: Year 0 is 1 BC, year -1 is 2 BC, and so on.
text: In common usage anno Domini 1 is preceded by the year 1 BC, without an intervening year zero.
text: The "basic" format for year 0 is the four-digit form 0000, which equals the historical year 1 BC.