<sod>During the pre-British rule the territory was part of the [[Kachari Kingdom|Dimasa Kingdom]] till the demise of Sengya Tularam Hasnu in AD 1854.<ref>[[Kachari Kingdom#British occupation]]</ref> After his death it went into the hands of the British under which it was declared a ‘Scheduled District’ constituted in 1874. Later, Mikir Hills tract was constituted as "Partially Excluded areas" under the Govt. of India Act, 1935. On November 17, 1951 a new district, the United Mikir Hills and North Cachar Hills district was created by combining some parts of the districts of [[Sibsagar district|Sibsagar]] (now [[Golaghat district|Golaghat]]), [[Nagaon district|Nagaon]], Cachar and United Khasi and Jayantia Hills district of present-day [[Meghalaya]] state. This was followed by bifurcation of the erstwhile district of United Mikir and North Cachar Hills district into two separate districts — Mikir Hills district and North Cachar Hills district — on 2 February 1970.<ref name='Statoids'>{{cite web | url = http://www.statoids.com/yin.html | title = Districts of India | accessdate = 2011-10-11 | last = Law | first = Gwillim | date = 2011-09-25 | work = Statoids}}</ref> Mikir Hills district was renamed as Karbi Anglong district on 14 October 1976.<ref name='Statoids'/><eod>
<sod>During the pre-British rule the territory was part of the [[Kachari Kingdom|Dimasa Kingdom]] till the demise of Sengya Tularam Hasnu in AD 1854. After his death it went into the hands of the British under which it was declared a ‘Scheduled District’ constituted in 1874. Later, Mikir Hills tract was constituted as "Partially Excluded areas" under the Govt. of India Act, 1935. On November 17, 1951 a new district, the United Mikir Hills and North Cachar Hills district was created by combining some parts of the districts of [[Sibsagar district|Sibsagar]] (now [[Golaghat district|Golaghat]]), [[Nagaon district|Nagaon]], Cachar and United Khasi and Jayantia Hills district of present-day [[Meghalaya]] state. This was followed by bifurcation of the erstwhile district of United Mikir and North Cachar Hills district into two separate districts — Mikir Hills district and North Cachar Hills district — on 2 February 1970.<ref name='Statoids'>{{cite web | url = http://www.statoids.com/yin.html | title = Districts of India | accessdate = 2011-10-11 | last = Law | first = Gwillim | date = 2011-09-25 | work = Statoids}}</ref> Mikir Hills district was renamed as Karbi Anglong district on 14 October 1976.<ref name='Statoids'/><eod>