sentences:  Migrations of Sikhs during the era of the Gurus were limited to the boundaries of modern-day India and Pakistan, and in particular restricted to the Sikh tribal heartland of the Punjab Region.The development of the Sikh Confederacy and the development of the Sikh Empire (1716–1849), led to Sikhs migrating to conquered parts of their empire such as Ladakh and Peshawar.However these migrations were limited, transitory and unsustained, depending on the Empire's fluctuating boundaries.During the time of the Sikh Empire, there was a net cultural immigration, with Napoleonic and British influences vying for the 'ear' of the then Sikh Maharajah Ranjit Singh.