Unification Decree (Spain, 1937)
The Unification Decree was a political measure adopted by Francisco Franco in his capacity of Head of State of Nationalist Spain on April 19, 1937. The decree merged two existing political groupings, the Falangists and the Carlists, into a new party - the Falange Española Tradicionalista y de las Juntas de Ofensiva Nacional Sindicalista (FET y de las JONS).
Source: Wikipedia — Unification Decree (Spain, 1937) (CC BY-SA 4.0)