The Great Mughal Empire declined under Emperor Aurangzeb from 1658-1707. Aurangzeb overextended the empire through wars and strained resources, losing support from Hindu people. He was an intolerant Muslim who faced rebellions from Hindu groups like the Marathas. Aurangzeb's death in 1707 left the empire weak and unstable, making it vulnerable to invasion and allowing the British to eventually gain control of India.