Athletic Club Omonoia Nicosia ( Greek : Αθλητικός Σύλλογος Ομόνοια Λευκωσίας ; Athlitikós Sýllogos Omónoia Lefkosías ), commonly known as Omonoia Nicosia , or simply Omonoia (also transliterated as Omonoia ), is a Cypriot professional multi-sport club, established on 4 June 1948 in Nicosia . It is best known for its football department, which has participated in the Cypriot First Division since 1953. On 14 June 2018, the football department of AC Omonoia became a professional for-profit football company, and is since known as Omonoia FC . [ 2 ]