Anglo-Nepalese War
The Gorkha dominion reached its height at the beginning of the 19th century, extending all along the Himalayan foothills from Kumaon and Garhwal in the west to Sikkim in the east. They were made to return much of the occupied territories after their defeat in the Anglo-Nepalese War (1814–1816) later during the gorkha Sikh war (1809) they lost the control over Kangra Valley.