The PPN left the National Patriotic Coalition and registered as separate political parties.
[1] Carlos Sucre Calvo was a faction leader in the National Patriotic Coalition during José Antonio Remón Cantera's tenure,[2] and later served as education minister in Ernesto de la Guardia (1958–1959) cabinet [3] and Marco Aurelio Robles' (1966–1967 and 1968) cabinet.
[4] In 1960, PPN allied with the Popular Alliance (AP) and its candidate Víctor Florencio Goytía.
[5] In 1964, PPN allied with the National Opposition Union (UNO) and its candidate Marco Aurelio Robles.
[6] In 1964, PPN allied with the People's Alliance (ADP) and its candidate David Samudio Ávila.