Conversation so far:
What was the Rise to prominence for Grigori Rasputin?
Word of Grigori Rasputin's activity and charisma began to spread in Siberia during the early 1900s. Sometime between 1902 and 1904, he travelled to the city of Kazan.

Question: What did he do in Kazan?
Self-contained rewrite: What did he do in Kazan?