[Manuel José de Arriaga Brum da Silveira e Peyrelongue].  Portuguese politician, born at Horta, in the Azores. He was educated at the university of Coimbra, where he took his degree in law in 1866. He became known as a strong Republican, and in 1882 was elected deputy for Funchal, in 1890 becoming deputy for Lisbon. His Republican principles caused him to be a figure of much importance at the time of the revolution of 1910, and on August 24, 1911, he was elected first president of the Portuguese Republic. He resigned office in 1915, and died on the 5th of March 1917.