- The Gorkha king later gave him full autonomy and kipat in his region with the Lal Mohor on 1869 BS ( 1813 AD ).
- Reaching its golden age during the first half of the seventeenth century, the Sultanate of Banten lasted for 300 years ( 1526 1813 AD ).
- At its peak in the first half of the 17th century, the Sultanate lasted from 1526 to 1813 AD . The Sultanate left many archaeological remains and historical records.
- Its ruler King Hangshu Phuba Lingdom of Lingdom dynasty ruled Illam as a confederate state of Limbuwan until 1813 AD . The treaty between the other Limbuwan states and the King of Gorkha ( Gorkha-Limbuwan Treaty of 1774 AD ) and the conflict of Gorkha and Sikkim led to the unification of Illam with Gorkha.