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
European Portuguese the Portuguese language but also Portuguese culture. Thus, it promotes European Portuguese as a norm for learners. RTP is the Portuguese public television network and also serves as a vehicle for European-Portuguese-providing media content throughout the world. There is a branch of RTP Internacional named RTP África, which serves Lusophone Africa. In estimating the size of the speech community for European Portuguese, one must take into account the consequences of the Portuguese diaspora: immigrant communities located throughout the world in the Americas, Australia, Europe and Africa. European Portuguese European Portuguese (, ), also known as Lusitanian Portuguese (') and Portuguese