1917 in Brazil

Events in the year 1917 in Brazil.

Federal government

 * President: Venceslau Brás
 * Vice President: Urbano Santos da Costa Araújo

Governors

 * Alagoas: João Batista Accioli Jr.
 * Amazonas: Pedro de Alcântara Bacelar
 * Bahia: Antônio Ferrão Muniz de Aragão
 * Ceará: João Tomé de Sabóia e Silva
 * Goiás:
 * until 9 May: Aprígio José de Sousa
 * 9 May - 14 July: Salatiel Simões de Lima
 * from 14 July: João Alves de Castro
 * Maranhão:
 * until 20 March: Herculano Nina Parga
 * from 20 March Antônio Brício de Araújo
 * Mato Grosso: Caetano Manuel de Faria e Albuquerque, then Camilo Soares de Moura, then Cipriano da Costa Ferreira
 * Minas Gerais: Delfim Moreira
 * Pará:
 * until 1 February: Enéas Martins
 * from 1 February: Lauro Sodré
 * Paraíba: Francisco Camilo de Holanda
 * Paraná: Afonso Camargo
 * Pernambuco: Manuel Antônio Pereira Borba
 * Piauí: Eurípedes Clementino de Aguiar
 * Rio Grande do Norte: Joaquim Ferreira Chaves
 * Rio Grande do Sul: Antônio Augusto Borges de Medeiros
 * Santa Catarina:
 * São Paulo:
 * Sergipe:

Vice governors

 * Rio Grande do Norte:
 * São Paulo:

Events

 * 5 April - The steamship Paraná, loaded with coffee and travelling in accordance with the demands made on neutral countries, is torpedoed by a German submarine; three Brazilians are killed.
 * 11 April - Brazil breaks off diplomatic relations with Germany.
 * 7 May - Foreign Minister Lauro Müller is obliged to resign because of his German origins.
 * 20 May - The ship Tijuca is torpedoed near the French coast by a German submarine.
 * 27 July - The steamer Lapa Brazil is hit by three torpedoes from a German submarine.
 * 23 October - The Brazilian freighter Macau, one of the vessels seized in the course of the war, was torpedoed by the German submarine SM U-93 near the coast of Spain, and the captain taken prisoner.
 * 26 October - World War I: Brazil declares war on the Central Powers.
 * 1 November - A mob damages German property in Petropolis, including the restaurant Brahma (completely destroyed), the Gesellschaft Germania, the German school, the company Arp, and the German Journal.
 * 4 November - Acari Guaíba and another ship are torpedoed by the same German submarine, SM U-151.

Births

 * 9 January - Otto Glória, football coach (died 1986)
 * 25 January - Jânio Quadros, 22nd President of Brazil (died 1992)
 * 21 February - Luz del Fuego, ballerina, naturist and feminist (as Dora Vivacqua; died 1967)
 * 17 April - Roberto de Oliveira Campos, economist, writer and politician (died 2001)
 * 5 May - Dalva de Oliveira, singer (died 1972)
 * 31 May - Zilka Salaberry, actress (died 2005)
 * 2 September - Laurindo Almeida, guitarist and composer (died 1995)
 * 30 September - Chacrinha, comedian, radio and TV personality (died 1988)

Deaths

 * 11 February - Oswaldo Cruz, physician, pioneer bacteriologist, epidemiologist and public health officer (born 1872)
 * 22 October - Manuel Lopes Rodrigues, artist (born 1860)