October 28: Celebrating the National Holiday of OXI Day - October 28 is the national holiday related to the country’s participation in World War II, when, in 1940, Greece entered the war against the attack of fascist Italy. OXI-Day (also spelled “OHI” or “OCHI” Day, Anniversary of the “NO”) commemorates the rejection by the Greek government of the ultimatum made by Italian dictator Benito Mussolini, the Hellenic counterattack against the invading Italian forces at the mountains of Pindus in Epir

Timeline of Greek Resistance in World War II: Every Day (1941-1945)

The Statistics of Pride: Greek Resistance to Axis Forces Longest in Europe

Greek Resistance - Alchetron, The Free Social Encyclopedia