It was originally incorporated as a rural municipality on December 22, 1883.
[1] It ceased on January 1, 2015 as a result of its provincially mandated amalgamation with the RM of Park to form the Municipality of Harrison Park.
[2] The RM was located north of Brandon on the Yellowhead Highway with its offices at Newdale, Manitoba.
The main reserve of the Rolling River First Nation lied within the east-central portion of the RM.
The RM was named for David Howard Harrison who became premier of Manitoba in 1887.