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funfact.wiki | 펀팩트 위키
2026년 2월 15일 10:15
페퍼노트 (d745446a)
Year 0 does not exist in the AD calendar. The year before AD 1 is 1 BC. Because of this, the 21st century began not in 2000 but in 2001.
Connected Tags: History, Calendar, Number, 0, 1