Final answer:
Nazrul started publishing the weekly Langal in 1919. This publication served as a platform for anti-colonial sentiment and enhanced Nazrul's reputation as the 'Rebel Poet'.
Step-by-step explanation:
Kazi Nazrul Islam, commonly known as Nazrul, started publishing the weekly Langal in the year 1919. Nazrul was a renowned Bengali poet, writer, musician, and revolutionary, and he used the periodical as a platform for political and social commentary.
The weekly Langal became an instrument for expressing anti-colonial sentiment and played a significant role in the resistance against British rule in India. Nazrul's powerful and provocative writings in Langal earned him the title of 'Rebel Poet' and heightened his status as a voice for justice and freedom.
It is important to note that the publishing of Langal by Nazrul marked a critical point in the literary and political history of Bengal and India, reflecting the intense desire for independence that permeated the era.