OXI Day, or “Ochi Day,” is a national holiday in Greece celebrated on October 28th each year. The day commemorates the rejection of an ultimatum by Italian dictator Benito Mussolini in 1940, which demanded that Greece allow Axis forces to enter and occupy strategic locations within the country during World War II.

On October 28, 1940, Greek Prime Minister Ioannis Metaxas famously responded with a resounding “Ochi,” meaning “No,” to the ultimatum. This refusal led to the invasion of Greece by Italian forces, marking the beginning of Greece’s involvement in World War II. The Greek resistance and subsequent battles against the Axis powers are celebrated on this day, and it is a symbol of national pride and defiance.

The day is marked with various celebrations, including parades, speeches, and cultural events throughout Greece and in Greek communities around the world.