One (disambiguation)
Topics referred to by the same term / From Wikipedia, the free encyclopedia
One or 1 is the first natural number.
1, one, or ONE may also refer to:
- AD 1, first year of the AD era
- 1 BC, the year before AD 1
- One (pronoun), a pronoun in the English language
- Hydrogen, with an atomic number of 1
- The month of January, the first month of the year in the Julian and Gregorian calendars