The party was founded by President General Maximiliano Hernández Martínez to support his government.

The National Pro Patria Party was founded in June 1933 by General Maximiliano Hernández Martínez, the acting president of El Salvador, to support his presidential campaign for the upcoming 1935 presidential election.

[13] He again ran unopposed in the 1939 presidential election, where he again won all 210,810 votes,[14] and again in 1944, however, no results were published.

After an attempted coup and widespread student protests against his government, Hernández Martínez resigned and fled the country in May 1944.

He was succeeded by Andrés Ignacio Menéndez, but he was deposed by Osmín Aguirre y Salinas in October 1944, ending the rule of the National Pro Patria Party.