The Hellenic Armed Forces have intervened on numerous occasions in the political history of Greece.
This article lists coups d'état that have taken place in the history of modern Greece:
19th century
, a naval mutiny organized by Andreas Miaoulis against the government of Ioannis Kapodistrias, leading to the burning of the fleet on 13 August in the port of Poros; In 1831, after the assassination of Kapodistrias, a revolt against his brother Augustinos forced the Senate to take refuge in Astros; 3 September 1843 Revolution, which forced King Otto to grant Greece its first Constitution; 23 October 1862 Revolution, leading to the departure of King Otto and his queen, first step towards the 1862 Greek head of state referendum which resulted in Prince William of Denmark becoming George I, the King of the Hellenes;
20th century
On 15 August 1909, the Goudi coup was staged against the government of Dimitrios Rallis, which brought Eleftherios Venizelos to the Greek political scene; On 17 August 1916, the National Defence coup d'état of Venizelos supporters in Thessaloniki led to the establishment of the Provisional Government of National Defence; On 20 November 1921, protested Cretan fans of Eleftherios Venizelos for the Gounari's government draft about the Minor Asia's campaign will fight with the army at Chania unsuccessfully; 11 September 1922 Revolution, led by Colonels Nikolaos Plastiras and Stylianos Gonatas and Commander , culminating in the abdication of King Constantine I; Leonardopoulos–Gargalidis coup d'état attempt on 22 October 1923 (11 October O.S.), led by the royalist officers; 1925 Greek coup d'état on 25 June 1925, which brought General Theodoros Pangalos to power; on 22 August 1926, overthrow of General Pangalos by General Georgios Kondylis; on 6 March 1933, led by republican General Nikolaos Plastiras; 1935 Greek coup d'état attempt on 1 March 1935, led by General Plastiras and Venizelos; on 10 October 1935, led by General Kondylis, signalling the end of the Second Hellenic Republic and leading to the restoration of King George II to the throne, according to a referendum; On 4 August 1936, General Ioannis Metaxas established the 4th of August Regime; 1938 Greek coup d'état attempt on 28 July 1938, attempted rebellion in Crete against the 4th of August Regime; On 31 May 1951, attempted coup d'état of a group of right-wing officers named (IDEA); 1967 Greek coup d'état on 21 April 1967, a group of right-wing army officers led by Brigadier General Stylianos Pattakos and Colonels Georgios Papadopoulos and Nikolaos Makarezos, established the Regime of the Colonels; 1967 Greek counter-coup attempt on 13 December 1967, led by King Constantine II against the Regime of the Colonels. The failure of the counter-coup forced the King to leave Greece definitively; on 23 May 1973 against the Regime of the Colonels. The crew of the destroyer HNS Velos (D-16), under the command of Nikolaos Pappas, demanded political asylum in Italy, while the rest of the mutiny in Greek territory is suppressed; on 25 November 1973, in the aftermath of the Athens Polytechnic uprising. The coup resulted in overthrow of Colonel Papadopoulos by hardliners around General Dimitrios Ioannidis; Pyjamas coup on 24 February 1975, attempt by certain officers to overthrow the government of Konstantinos Karamanlis.
21st Century
2002 Greek Coup d'etat: A failed attempt of a coup d'etat, which was economically chosen to commit, against the change of Drachma into Euro, which availed by 1 year the currency change. 2011 Anti-austerity movement in Greece: Anti-austerity movement in Greece was a 2 year period of tenses and instability of the Greek nation, which in 2011, exploded. Indignant Citizens Movement was the basic group which almost caused the coup. The coup failed. 2018 failed coup d'etat: A coup d'etat organised by Golden Dawn agains the goverment of Alexis Tsipras, which was against the Treaty of Prespes. The participants were captured and are held in Korydallos.