Limbuwan is an area of the Himalayan region historically made up of 10 Limbu kingdoms, now part of eastern Nepal. Limbuwan means "abode of the Limbus" or "Land of the Limbus". In modern times, a political movement in Nepal has developed which claims to territorial authority for a Limbuwan federal state in Nepal’s eastern borderland. On Jan 20, 2010, State Reconstruction Committee of Constituent Assembly passed a federal structure of 14 states supported by UCPNM and UML. 14 proposed states in including Limbuwan State. Limbuwan autonomous ethnic province in Nepal comprising those districts and named : Taplejung, Panchthar, Ilam, Terhathum, and few regions of Sankhuwasabha and Dhankuta districts. Limbuwan is the land east of the Arun; Sabha Khola and Koshi Rivers and west of Kanchenjunga Mountain and the Mechi River. Eastern Nepal and the dominant ethnic groups of that region are indigenously called Kirat. The land was sub-divided into three regions, namely, the Wallo, Majh and Pallo Kirat. Limbuwan is also called Pallo-kirat 'Further Kirat'. History The Ten Kings of Limbus came together to formally declare all the ten kingdoms between the Arun River and Teesta River to be called "Yakthung Laaje". The ten rulers, their kingdoms and their forts: Samlupi Samba Hang, King of Tambar and his capital Tambar Yiok. Sisiyen Shering Hang, King of Mewa and Maiwa kingdoms and his capital Meringden Yiok. Thoktokso Angbo Hang, King of Athraya and his capital Pomajong. Thindolung Khokya Hang, King of Yangwarok and his capital Hastapojong Yiok Yengaso Papo Hang, King of Panthar and his capital at Yashok and Pheden (Phe meaning "plain", den meaning "place"). Shengsengum Phedap Hang, King of Phedap and his capital at Poklabung. Mung Tai Chi Emay Hang, King of Ilam and his capital at Phakphok. Soiyak LadhoHang Chemjong, King of Bodhey (Choubise) and his capital at Shanguri Yiok. Tappeso Perung Hang, King of Thala and his capital at Thala Yiok. Taklung Khewa Hang, King of Chethar and his capital at Chamling Chimling Yiok. Rise of King Mawrong Hang After a brief period, King Mawrong Hang came to prominence and took over Terai lands of Chethar, Bodhey, Panthar, and Ilam (present day Jhapa, Morang Sunsari and Dhankuta). He named his Kingdom Morang after his name and rose to power. He subdued all the Ten Limbu Kings of Limbuwan and became their overlord. He died without any male heir and King Uba Hang took over as supreme ruler