The United Panhellenic Organization of Youth, abbreviated EPON was a Greek

Greeks

The Greeks, also known as the Hellenes , are a nation and ethnic group native to Greece, Cyprus and neighboring regions. They also form a significant diaspora, with Greek communities established around the world....

 resistance

Greek Resistance

The Greek Resistance is the blanket term for a number of armed and unarmed groups from across the political spectrum that resisted the Axis Occupation of Greece in the period 1941–1944, during World War II.-Origins:...

 organization
that was active during the Axis Occupation of Greece in World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

. EPON was the youth wing of the National Liberation Front (EAM) organization, and was established on 23 February 1943 after the merger of ten earlier political and resistance youth organizations. Along with EAM and its other affiliates, EPON was dissolved judicially at the beginning of the Greek Civil War

Greek Civil War

The Greek Civil War was fought from 1946 to 1949 between the Greek governmental army, backed by the United Kingdom and United States, and the Democratic Army of Greece , the military branch of the Greek Communist Party , backed by Bulgaria, Yugoslavia and Albania...

but continued to operate illegally until 1958.