Indonesia pronounced Riau (Johor) Malay its official language (Bahasa Indonesia) when it gained independence. Since 1928, nationalists and young people throughout the Indonesian archipelago had declared Malay to be Indonesia's only official language, as proclaimed in the Sumpah Pemuda "Youth Vow." Thus Indonesia was the first country to designate Malay as an official language.
In Malaysia, the 1957 Article 152 of the Federation adopted Johor (Malacca) Malay as the official language (Bahasa Malaysia). The name "Malaysia", in both language and country, emphasized that the nation consisted of more than just ethnic Malays. In 1986 the official name was changed to Bahasa Melayu, but in 2007 it was changed back. "Bahasa Melayu" was defined as Brunei's official language in the country's 1959 Constitution.
The Indonesian and Malaysian dialects of Malay are separated by some centuries of