One (disambiguation)
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
Provided by Wikipedia
