Q. Which clan established World's first republic in Vaishali?
Answer: Licchavi
Notes: Licchavi clan established world's first republic in Vaishali. Licchavi clan existed in the Kathmandu Valley in modern-day Nepal from approximately 400 to 750 CE. The Licchavi clan originated from Vaishali and Muzaffarpur and conquered Kathmandu Valley. The Lichchhavis had elected representatives to rule them.

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