The Royal Brunei Police Force, RBPF (Malay: Polis Diraja Brunei (PDRB)) was founded in 1921 with the passing of the Brunei Police Force Enactment. The police force is in charge of prisons, fire services, the issuing of licenses, immigration, and keeping law and order in the streets. The RBPF has been one of the 190 members of INTERPOL, an intergovernmental organisation worldwide since 1984.
With a force of more than 4,400 officers, the RBPF is responsible for keeping law and order and providing law enforcement services. The mandate for the RBPF in keeping the law in the Sultanate of Brunei Darussalam includes the prevention, detection and investigation of crime, collection of criminal intelligence, traffic control, escort duties (VIPs, cash, prisoners), sea and border patrol, public order, riot as well as public event control. 
1906 - Secondment of Police officers & personnel from the Straits Settlement.
1909 - Insp. S.G Crummy was appointed as CPO.
1917 - Ch/Insp. G.C. Mc Afee took over as CPO.
1921 - Brunei Police Force Enactment was passed.
1923 - Police duties were expanded to cover fire services, prisons, immigration, registration of motor-vehicles, issuing of driving licences, and miscellaneous licences, registration of aliens etc.
1942-1945 - Brunei Police Force were placed under the Japanese Military Administration.
1950 - Police HQ was moved to Kuala Belait and the CPO was answerable to CP Sarawak.
1950 - CID was established.
1951 - Brunei Police Force established its own Training Centre at Seria.
1957 - Brunei Police band was set up and led by R.E.House.
1958 - Immigration Department was established.
1959 - Brunei Constitution required the Sultanate to have its own Commissioner of Police.
1960 - Land Transport Department was established.
1960 - Reserve Unit was established to replace Sarawak Field Force Platoon.
1962 - Brunei Police Force involved in defending the country against rebellion caused by the PRB.
1965 - 28th Ruler of Brunei consented to present a Royal Brunei Standard to the Brunei Police Force.
1967 - Police Training Center was established at Jalan Aman, Berakas.
1971 - Celebrated Golden Jubilee.
1971 - 2nd Royal Standard was bestowed by the 29th Ruler.
1974 - DYTM Paduka Seri Pengiran Perdana Wazir Sahibol Himmah Wal-Waqar Pengiran Muda Haji Mohamed Bolkiah appointed as the Honorary Commissioner of Police.
1974 - Women Contingent was established.
1975 - The Sultan consented to appoint Hajjah Masnah as the "Commandant of Women Police" and Hajjah Nor'ain as the "Deputy Commandant of Women Police".
1975 - First Bumiputera officer appointed as Commissioner of Police Jaya bin Rajid.
1984 - Became member of INTERPOL on 4 September and ASEANAPOL.
1992 - Participated in UNTAC mission in Cambodia.
1993 - Participated in COMSA mission in South Africa.
1993 - Special Branch was disbanded and three-fourth of the personnel were absorbed into the newly formed Internal Security Department.
1995 - RBPF reorganised its administrative structure.
1996 - RBPF celebrated its Diamond Jubilee.
1997 - Created additional Police District known as Jerudong Police District and upgraded its Traffic Division into Traffic Department.
2013 - Royal Brunei Police Force 92nd Anniversary on 1 January since its establishment.