142 may refer to:
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142 (number), an integer
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AD 142
Year 142 ( CXLII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. At the time, it was known in the Roman Empire as the Year of the Consulship of Pactumeius and Quadratus (or, less frequently, y ...
, a year of the Julian calendar
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142 BC, a year of the pre-Julian Roman calendar
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