For a short period, Ahmed Shah Durrani the founder of Afghanistan ruled some parts of northwestern India. Historians have named his rule the Durrani Empire. In 1748, he crossed the Indus River and attacked Lahore, now a part of Pakistan. He also attacked many parts of Punjab. Then, he attacked Delhi. At that time, Delhi was the capital of the Mughal Empire. He took many valuable things from India. This included the Peacock Throne of Shah Jahan and the famous diamond named Kohinoor.