Conversation so far:
Was Bal Gangadhar Tilak in the Indian National Congress?
Tilak joined the Indian National Congress in 1890.
Why did Bal Gangadhar Tilak join the Indian National Congress?
He opposed its moderate attitude, especially towards the fight for self-government. He was one of the most-eminent radicals at the time.
What beliefs did Bal Gangadhar Tilak have on certain policies?
Despite being personally opposed to early marriage, Tilak was against 1891 Age of Consent bill, seeing it as interference with Hinduism and a dangerous precedent.

Question: What major event happened during his tenure?
Self-contained rewrite: What major event happened during Bal Gangadhar Tilak's tenure?