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-speaking African countries Portuguese-speaking African countries The Portuguese-speaking African countries (also referred to as Lusophone Africa) consist of six African countries in which the Portuguese language is an official language: Angola, Cape Verde, Guinea-Bissau, Mozambique, São Tomé and Príncipe and, since 2011, Equatorial Guinea. The six countries are former colonies of the Portuguese Empire. From 1778 until independence, Equatorial Guinea was also a colony of the Spanish Empire. In 1992, the five Lusophone African countries formed an interstate organisation called PALOP, a colloquial acronym that translates to African Countries of Portuguese Official Language (). The PALOP countries have signed official agreements with Portugal,