Nicomedes II of Bithynia (en), Nicomède II (fr), Nicomedes II de Bitinia (es), Nicomede II (it), Nikomedes II. (de), Νικομήδης Β' Επιφανής (el)Additional labels
Нікамед II Эпіфан (be), Никомед II (bg), Nicomedes II Epífanes (ca), Nikomedes 2. af Bithynien (da), Nikomedes II.a (eu), II. Nikomédész (hu), ნიკომედე II (ka), Nikomedes II (nb), Nicomedes II van Bithynië (nl), Nikomedes II Epifanes (pl), Nicomedes II da Bitínia (pt), Никомед II Эпифан (ru), Nikomed II od Bitinije (sh), Никомед II (sr), Nikomedes II (sv), Нікомед II Епіфан (uk), Nicomedes II của Bithynia (vi), 尼科美德二世 (zh)
Nicomedes II was the son of Prusias II. He allied with Rome in the war against Aristonicus (133–129), but his request for
territory in Phrygia was refused. Nicomedes introduced the Bithynian era for numbering years on his coins.