People watch a military parade held in the northern port city of Thessaloniki, Greece, Oct. 28, 2019. Greece celebrated its national Ohi Day on Monday. The Ohi Day, or "Anniversary of the No," commemorates the rejection by then Greek Prime Minister Ioannis Metaxas on Oct. 28, 1940, of the ultimatum made by Italy to surrender Greece to the Axis forces. (Photo by Dimitris Tosidis/Xinhua)
A military parade is held in the northern port city of Thessaloniki, Greece, Oct. 28, 2019. Greece celebrated its national Ohi Day on Monday. The Ohi Day, or "Anniversary of the No," commemorates the rejection by then Greek Prime Minister Ioannis Metaxas on Oct. 28, 1940, of the ultimatum made by Italy to surrender Greece to the Axis forces. (Photo by Dimitris Tosidis/Xinhua)
Students attend a national "Ohi Day" parade in Athens, Greece, on Oct. 28, 2019. Greece celebrated its national "Ohi Day" (No Day) on Monday with military and pupils' parades across the country, sending a message of hard work for a better future. (Xinhua/Marios Lolos)
A military parade is held in the northern port city of Thessaloniki, Greece, Oct. 28, 2019. Greece celebrated its national Ohi Day on Monday. The Ohi Day, or "Anniversary of the No," commemorates the rejection by then Greek Prime Minister Ioannis Metaxas on Oct. 28, 1940, of the ultimatum made by Italy to surrender Greece to the Axis forces. (Photo by Dimitris Tosidis/Xinhua)
A military parade is held in the northern port city of Thessaloniki, Greece, Oct. 28, 2019. Greece celebrated its national Ohi Day on Monday. The Ohi Day, or "Anniversary of the No," commemorates the rejection by then Greek Prime Minister Ioannis Metaxas on Oct. 28, 1940, of the ultimatum made by Italy to surrender Greece to the Axis forces. (Photo by Dimitris Tosidis/Xinhua)
A military parade is held in the northern port city of Thessaloniki, Greece, Oct. 28, 2019. Greece celebrated its national Ohi Day on Monday. The Ohi Day, or "Anniversary of the No," commemorates the rejection by then Greek Prime Minister Ioannis Metaxas on Oct. 28, 1940, of the ultimatum made by Italy to surrender Greece to the Axis forces. (Photo by Dimitris Tosidis/Xinhua)