1919, 27 June-4 July: Battle of Aydın. 1919, 27 November: Signing of the Treaty of Neuilly. Greece acquires Western Thrace. 1920, 10 August: Signing of the Treaty of Sèvres. Greece acquires Eastern Thrace and is assigned administration of the area of Izmir for 5 years. 1920, 12 August: First assassination attempt against Venizelos in the Gare de Lyon railway station in Paris. 1920, 13 August: Assassination of prominent royalist Ion Dragoumis in Athens. 1920, November: Despite his achievements, Venizelos is defeated in the 1920 General Elections. 1920, 25 October: King Alexander I dies suddenly of infection caused by the bite of a monkey of the Royal Gardens. 1920, 17 November: After the death of her grandson, Queen Olga becomes regent of Greece, until the return of her son. 1920, 19 December: Constantine I returns as King, following a plebiscite. 1921, 9–12 January: First Battle of İnönü. 1921, 26–31 March: Second Battle of İnönü. 1921: Assassination attempt against George Papandreou. 1921, 26 August-13 September: Battle of Sakarya. 1922, 26–30 August: Battle of Dumlupınar. 1922, 9 September: The Turkish army enters Izmir. Metropolitan Chrysostomos of Smyrna, is lynched by the angry people. 1922, 13 September: Izmir is set on fire. Approximately 100,000 Greeks perish. 1922, September: The Greek Army, Navy and people revolt. The government is deposed and the King forced to resign. Venizelos returns in Greece. 1922, 27 September: King Constantine I abdicates (second time), being succeeded by his eldest son King George II. 1922, 28 November: According to the verdict of the Trial of the Six, the former Prime Minister Dimitrios Gounaris, the Commander in Chief of the Greek Armies Georgios Hatzianestis and four other politicians are executed as responsible for the Asia Minor Catastrophe. 1923, 24 July: Signing of the Treaty of Lausanne. The Greeks of Istanbul, Imbros and Tenedos (about 279,788 in Istanbul alone the next year) are excluded from the population exchange. The islands of Imbros and Tenedos are granted autonomy, by article 14, which was never implemented. Restoration of stability 1923: Greece has an enormous refugee problem with the arrival of approximately 1.5 million Greeks from Asia Minor (according to the population exchange agreement of the Treaty of Lausanne. The population of the bankrupt Greece increased by 1/3 in a period of a few months. The fate of the rest 1 million Greeks of Asia Minor (according to the Ottoman census) remains unknown. 1923, 31 August: