Brazilian Portuguese signed into law by the President on 21 July 2008 allowing for a 6-year adaptation period, during which both orthographies co-existed. All of the CPLP countries have signed the reform. In Brazil, this reform has been in force since January 2016. Portugal and other Portuguese-speaking countries have since begun using the new orthography. Regional varieties of Brazilian Portuguese, while remaining mutually intelligible, may diverge from each other in matters such as vowel pronunciation and speech intonation. The existence of Portuguese in Brazil is a legacy of the Portuguese colonization of the Americas. The first wave of Portuguese-speaking immigrants settled in
Portuguese colonization of the Americas instance, for the Portuguese town of Póvoa de Varzim, most of its seafarers dying abroad, most of the deaths occurred in the Route of the Antilles, in the West Indies. At the turn of the 17th century, with the union with Castile, the Spanish kings favored the free movement of the people, and other lands of the New World, such as Peru and the Gulf of Mexico, were open to the Portuguese merchants. The Portuguese founded the first Uruguayan city, Colónia do Sacramento. Portuguese colonization of the Americas Portugal was the leading country in the European exploration of the world