In Greece we do a memorial service each year for the dead people. This takes place the first Sunday after the day of the death. You can read more about this service at this page of Wiki.
Last Sunday that memorial service for two former Prime Ministers of Greece took place at their graveyard near the city of Chania. It was for Eleftherios Venizelos (Mournies Chania, 23 August 1864 – Paris, 18 March 1936)and for Sophoklis Venizelos (3 November 1894 – 7 February 1964).
Eleftherios Venizelos was one of the greatest statesmen of modern Greece. He played a significant role in the autonomy of the Cretan State and later in the union of Crete with Greece. Also under his leadership, Greece doubled in area and population during the Balkan wars (1912–13) with the liberation of Macedonia, Epirus and brought Greece on the side of the Allies in the World War I. Though with his policies he came in direct conflict with the monarchy, causing the National Schism that lasted for decades, he also set the basis for the modernization of the Greek society. Venizelos defined an entire era in Greek history, and is still a point of reference in Greek politics today. You can read further at Wiki’s page.
Sophoklis Venizelos was a prominent Greek politician who three times served as Prime Minister of Greece. He was the second son of Eleftherios Venizelos and here is his Wiki page for you to read more about him, if you wish to.