Dom Pedro I (12 October 1798 – 24 September 1834), full name Pedro de Alcântara Francisco António João Carlos Xavier de Paula Miguel Rafael Joaquim José Gonzaga Pascoal Cipriano Serafim, known in Brazil and in Portugal as "the Liberator" (Portuguese: o Libertador) or "the Soldier King" (o Rei Soldado) in Portugal, was the founder and first ruler of the Empire of Brazil from 1822 to 1831 (under the name of Pedro I) and King of Portugal in 1826 (under the name of Pedro IV).