The official English name was changed by the country's government from the "Union of Burma" to the "Union of Myanmar" in 1989, and still later to the "Republic of the Union of Myanmar".

Why Burma was separated from India?

The Anglo-Burman and Domiciled European Community of Burma stated that they wanted separation from India so that the country could create an immigration act to “keep out undesirable aliens”. These organisations were more concerned about Chinese migrants arriving in Burma.

When was Rangoon renamed?

It was known abroad as Rangoon until 1989, when the government of Myanmar requested that Yangon, a transliteration reflecting the Burmese pronunciation of the city's name, be used by other countries. Yangon River, Yangon, Myan.