This article presents the historical aspect about Islam in Brazil and analyzes events as the revolt of slaves Males in Bahia and migration of Syrians and Lebanese to Brazil. The aim is showing that the presence of Islam on Brazil in the 19th century, was provided by the trafficking of slaves brought from Africa, Known as Males, don't have connection with Muslim communities who installed here since the 20th century to the immigrations of Syrian and Lebanese. These two historical moments (...) have been reported here from bibliographic research that sought find conditions of possibility of establishment of this religion in the Brazilian field, and the phase of Syrian and Lebanese immigration resulted contemporary communities, at least in the Southeast. In both cases it appears that Islam was a religion in Brazil for foreigners, ethnic, and only now seems open to a mixed reality, with input converted without Arab descent. Notwithstanding, it is observed that even though it was part of a period of history this religion still is regarded with certain strangeness, but presents itself as more one option in the religion context of the country. (shrink)