Anglo-Nepalese War (1814-1816) March 1813, cover with the seal of Amar Singh Thapa sent to Prime Ministerr Bhimsen Thapa, Kathmandu Handwritten date of arrival: (18)69 / Caitra / 8 BS = March 21, 1813 AD The war startet when the “British East India Company” occupied some kingdoms of the “Chaubisi Rajya” (24 principalities). Thereupon Prime Minister Bhimsen Thapa issued the command to attack the British. “Bada Kaji” (General) Amar Singh Thapa, also known as “Living Lion of Nepal”, Governor of Palpa, was the commander of the Nepalese forces of western front in the Anglo–Nepalese War