Complex sentence: Mithapukur is the largest upazila in Rangpur zila in respect of both area and population came into existence in 1885 as a thana and was upgraded to upazila in 1984.
Split into simpler sentences: Mithapukur is the largest upazila in Rangpur zila in respect of both area and population. It came into existence in 1885 as a thana and was upgraded to upazila in 1984.