A referendum was held in Iran on 26 January 1963 by the decree of Mohammad Reza Shah, with an aim to show popular support for him, asking voters to approve or veto the reforms of the White Revolution.

[2] Similar to the previous referendum, polling places lacked secrecy and there were two separate voting booths: one for the supporters and one for the opponents.

[1] Following the referendum dissension and riots outbroke in almost all major urban areas, most significantly in Tehran and the city of Qom.

The Shah gave orders to immediate suppression of the opposition and National Front, Freedom Movement, Tudeh Party and religious activists were imprisoned.

[9] The unrest made Ayatollah Ruhollah Khomeini the regime's principal opponent in the minds of most Iranians.