Bengali Language Movement (Manbhum)

The Bengali Language Movement of Manbhum was a cultural and political movement that took place in the then Bihar Province from 1912 to 1956. Post independence, between 1948 and 1956, the language movement spread intensely among the Bengalis of Manbhum.

Source: Wikipedia — Bengali Language Movement (Manbhum) (CC BY-SA 4.0)