Diário Oficial da União

The Diário Oficial da União, abbreviated DOU, is the official journal of the federal government of Brazil. It is published since 1 October 1862 and was created via the imperial decree 1.177, of September 9 of the same year. It is published by the Brazilian National Press.

Though the journal is published since 1862, it had many predecessors, as follows:

1. Gazeta do Rio de Janeiro (10/9/1808 - 29.12.1821)
2. Gazeta do Rio (1/1/1822 - 31/12/1822)
3. Diário do Governo (2/1/1823 - 28/6/1833)
4. Diário Fluminense (21/5/1824 - 24/4/1831)
5. Correio Oficial (1/7/1833 - 30/6/1836) e (2/1/1830 - 30/12/1840)
6. Sem jornal próprio (31/12/1840 - 30/8/1846)
7. Gazeta Oficial do Império do Brasil (1/9/1846 - 31/7/1848)
8. Diário do Rio de Janeiro (1/6/1821 - 30/10/1878) - it published government material from 2/1/1841 - 30/8/1846 and from 1848 - 1862
9. Diário Oficial (16/11 - 28/11/1889)
10. Diário Oficial da República dos Estados Unidos do Brasil (24/11/1889 - 31/12/1891)
11. Diário Oficial - 1/1/1892 - current one