Since 1876, the area made up part of the Mennonite West Reserve.
of Rhineland was originally incorporated as a rural municipality on February 14, 1880 and later absorbed the neighbouring RM of Douglas in January 1891.
[1] It ceased on January 1, 2015 as a result of its provincially mandated amalgamation with the towns of Gretna and Plum Coulee to form the Municipality of Rhineland.
There is a national historic site in the former RM's territory at Neubergthal, which was officially designated in 1998 as Neubergthal Street Village.
According to Statistics Canada, the former RM had an area of 953.42 km2 (386.12 sq mi).