During the period 1926–1943, some 143 Communist activists were imprisoned at Aiud peninteciary. Moreover, after the defeat of the Legionnaires' rebellion in 1941, Iron Guard members were also detained there. The largest number of political prisoners held at Aiud during the war occurred at the end of 1944, when 851 inmates had been found guilty of political crimes and 6 were suspected of having committed such offenses.