The Popular Force Party or People's Force Party was created in 1945 as the electoral arm of the National Synarchist Union

National Synarchist Union

The National Synarchist Union is a Mexican political organization. It was historically a movement of the Roman Catholic extreme right, in some ways akin to clerical fascism and falangism, violently opposed to the leftist and secularist policies of the revolutionary governments that ruled Mexico...

 to participate in the 1946 presidential election, in which it supported the independent Jesús A. Castro.

The party was banned when on December 19, 1948 members of the party decided to put a black hood on the monument of former president Benito Juárez

Benito Juárez

Benito Juárez born Benito Pablo Juárez García, was a Mexican lawyer and politician of Zapotec origin from Oaxaca who served five terms as president of Mexico: 1858–1861 as interim, 1861–1865, 1865–1867, 1867–1871 and 1871–1872...

 in Mexico City

Mexico City

Mexico City is the Federal District , capital of Mexico and seat of the federal powers of the Mexican Union. It is a federal entity within Mexico which is not part of any one of the 31 Mexican states but belongs to the federation as a whole...

.