sentences:  In 1939 the name Sangkhla Buri was assigned to Wang Ka, while the minor district was renamed Thong Pha Phum.On 20 May 1941 it was upgraded to a full district, while at the same time Sangkhla Buri was reduced to a minor district.It then consisted of the six "tambons" Tha Khanun, Hin Dat, Dika, Chalae, Pilok, and Linthin.