Answer: 1529 A.D.
Notes: The Battle of Ghagra, fought in 1529 A.D. near Bihar, was between Babur and Mahmud Lodhi. It marked the end of Babur's conquest of India and was one of the first battles in India to effectively use gunpowder and artillery. Babur's victory established Mughal control over northern India and signaled the decline of Afghan power.
