Career
The prince, however, remained heir to the throne under Sihanouk"s reign. The original Cambodian Scout movement Ankar Khamarak Kayarith was created in 1934, under the direction of Prince Sisowath Monireth and other leaders, including Tem Im and Pok Thiem. This first era of Cambodian Scouting spread over several provinces and numbered more than 1,000 members.
One of his first acts as Prime Minister was to create the first modern Cambodian army.
In later years, Prince Monireth temporarily acted as Head of State from April 6 to June 13, 1960 in his capacity as chairman of the Regency Council.