The (sometimes written as ) the system of government adopted in France from 4 September 1870, when the Second French Empire collapsed during the Franco-Prussian War, until 10 July 1940, after the Fall of France during World War II led to the formation of the Vichy government.

the period in modern Greek history that stretches from 1974, with the fall of the Greek military junta and the final confirmation of the abolishment of the Greek monarchy, to the present day.

The Third Czechoslovak Republic, officially the Czechoslovak Republic, was a sovereign state from April 1945 to February 1948 following the end of World War II.

the government of South Korea from December 1963 to November 1972.

The Third Republic of Madagascar (officially called the Republic of Madagascar refers to the 18-year-long period in Malagasy history after the dissolution of the socialist regime in 1992.

The Third Republic of Vietnam (abbreviated DTVNCH), also referred to by its previous name the Provisional National Government of Vietnam, is a self-proclaimed government in exile, headquartered in the Little Saigon neighborhood of Orange County, California, with offices in other Little Saigon communities.

a period in the history of Portugal corresponding to the current democratic regime installed after the Carnation Revolution of 25 April 1974, that put an end to the paternal autocratic regime of Estado Novo of António de Oliveira Salazar and Marcelo Caetano.