The first political organizations on Puerto Rico…

The first political organizations on Puerto Rico are formed as two factions emerge in 1870.

The Traditionalists, known as the Partido Liberal Conservador (Liberal Conservative Party) are led by José R. Fernández, Pablo Ubarri and Francisco Paula Acuña and advocated assimilation into the political party system of Spain.

The Autonomists, known as the Partido Liberal Reformista (Liberal Reformist Party) are led by Román Baldorioty de Castro, José Julián Acosta, Nicolás Aguayo and Pedro Gerónimo Goico and advocate decentralization away from Spanish control.

Both parties will later change their names, to Partido Incondicional Español (Unconditional Spanish Party) and Partido Federal Reformista (Reformist Federal Party), respectively.