2 DATE FROM 1826 TO 1826 2 NOTE Pedro I., Kaiser, PEDRO IV de Alcántara Francisco António JoĆúo Carlos Xavier de Paula Miguel Rafael Joaquim Jos é Gonzaga Pascual Cipriano Serafim, Pr of Beira (1801-16), Pr of Brazil (1816-22), Regent o f the United Kingdom of Portugal, Brazil and the Algarves 22.4.1821; proclaimed Brazil full y independent at the Cry of the Ypiranga 7.9.1822, proclaimed Emperor of Brazil (as Pedro I ) 12.10.1822, King of Portugal and the Algarves 10.3.1826, abdicated the throne of Portugal 2 9.4.1826 in favour of his eldest daughter, abdicated the throne of Brazil 7.4.1831 in favou r of his son Pedro and assumed the title of Duke of Bragança, Regent of the Portugal 1834