It was used in the Zhuang alphabet from 1957 to 1986, when it was replaced by the digraph mb.
In upside-down text, the letter in lowercase form is often used as a substitute for turned g (for its wider availability in fonts such as Verdana Ref and Georgia than other substitutes, such as the real Unicode turned-g and another substitute, Ɓ).
It first appeared in Unicode version 1.1.0 in June 1993.
[1] It is referred to a 'B' with a top bar the Caribbean languages.
[clarification needed] This article related to the Latin script is a stub.