Prime minister Bahrain's prime minister, Sheikh Khalifah bin Sulman Al Khalifah has been in the post since 1970, making him the longest serving non-elected prime minister. The post of prime minister may be encountered both in constitutional monarchies (such as Belgium, Denmark, Japan, Luxembourg, the Netherlands, Norway, Malaysia, Morocco, Spain, Sweden, Thailand, Canada, Australia, New Zealand, and the United Kingdom), and in parliamentary republics in which the head of state is an elected official (such as Finland, the Czech Republic, France, Greece, Hungary, India, Indonesia (1945-1959), Ireland, Pakistan, Portugal, Montenegro, Croatia, Bulgaria, Romania, Serbia and Turkey (1923-2018)). See also "First Minister", "Premier",
Prime Minister of Cambodia to 1998. Elected as prime minister in his own right in 1998, he is the longest serving prime minister in Cambodian history. The position was first held by King Norodom Sihanouk in March 1945, during the French colonial administration. Cambodia's first parliamentary elections were held on 1 September 1946. The Democratic Party remained the dominant-party in Cambodian politics throughout the 1940s until the formation of the Sangkum Reastr Niyum in 1955. Sangkum was the dominant-party in Cambodia from 1955 to 1970 following a military coup by General Lon Nol. Until 1993, it was not an elected position. Merely few prime