Important dates in Greek History By nikigakoudi May 21, 1453 Fall of the Byzantine empire Period: May 21, 1453 to Mar 25, 1821 Ottoman occupation Mar 25, 1821 Greek Revolution Period: Mar 25, 1821 to Oct 26, 1913 Thessaloniki's liberation Oct 28, 1940 World War II Period: Oct 28, 1940 to Oct 12, 1944 Athens Liberation from Germans Oct 12, 1944 Athens Liberation from Germans Period: Oct 12, 1944 to Apr 21, 1967 Post War Greece Apr 21, 1967 Dictatorship in Greece Period: Apr 21, 1967 to Nov 17, 1973 Dictatorship Nov 17, 1973 political changeover
