The Greek junta or Regime of the Colonels was a right-wing military junta that ruled Greece from 1967 to 1974. On 21 April 1967, a group of colonels overthrew a caretaker government a month before scheduled elections which Georgios Papandreou's Centre Union was favoured to win.
The dictatorship was characterised by policies such as anti-communism, restrictions on civil liberties, and the imprisonment, torture, and exile of political opponents. It was ruled by Georgios Papadopoulos from 1967 to 1973, but an attempt to renew popular support in a 1973 referendum on the monarchy and gradual democratisation by Papadopoulos was ended by another coup by the hardliner Dimitrios Ioannidis.