The title Duke of Braganza in the House of Braganza is one of the most important titles in the peerage of Portugal. Starting in 1640, when the House of Braganza acceded to the throne of Portugal, the male heir of the Portuguese Crown were known as Duke of Braganza, along with their style Prince of Beira or Prince of Brazil. The tradition of the heir to the throne being titled Duke of Braganza was revived by various pretenders after the establishment of the Portuguese Republic on 5 October 1910 to signify their claims to the throne.
Palace of the Dukes of Braganza
The Most Serene House of Braganza, also known as the Brigantine dynasty, is a dynasty of emperors, kings, princes, and dukes of Portuguese origin which reigned in Europe and the Americas.
Afonso I, first Duke of Braganza and founder of the House of Braganza
The Palace of the Dukes, in Guimarães, was seat of the House of Braganza from 1420 until Fernando II of Braganza was executed for treason by King João II in 1483.
Jaime I restored the Braganzas' status after his father's execution and built the Ducal Palace of Vila Viçosa.
Constantino of Braganza was Viceroy of Portuguese India & led the 1st Portuguese invasion of Sri Lanka.
