Question: what is the name of brazils national anthem
Answer: The `` Brazilian National Anthem '' ( Portuguese : Hino Nacional Brasileiro ) was composed by Francisco Manuel da Silva in 1831 and had been given at least two sets of unofficial lyrics before a 1922 decree by President Epitácio Pessoa gave the anthem its definitive , official lyrics , by Joaquim Osório Duque - Estrada , after several changes were made to his proposal , written in 1909 .