- 17 March - Lon Nol proclaimed himself to be the first President of the Khmer Republic, an office that had been vacant for the first two years of the republic's existence.
- 4 June - The first presidential election held in Cambodia resulted in a victory for the incumbent, Lon Nol, although counting within the capital of Phnom Penh showed a majority for challenger In Tam. Lon Nol ordered the military to collect and count the poll results from the countryside, where In Tam had had greater support, and was soon declared the winner.
- 3 September - The elections for the Khmer Republic's 126-member National Assembly took place. Because of a presidential decree designed to give President Lon Nol's Social Republican Party an advantage, the other parties withdrew from participating. The Socio-Republicans won all 126 seats on what was claimed to be a 78% turnout.
- ^ Marie Alexandrine Martin, Cambodia, A Shattered Society (University of California Press, 1994), p132
- ^ Punnee Soonthornpoct, From Freedom to Hell: A History of Foreign Intervention in Cambodian Politics and Wars (Vantage Press, 2005), p216
- ^ Sorpong Peou, Intervention & Change in Cambodia: Towards Democracy? (St. Martin's Press, 2000), p53