Records of Prime Ministers of the United Kingdom transitions between reigns, eight Prime Ministers each served under two sovereigns: George III had 14 Prime Ministers serving during his 59-year reign (reigned 1760–1820), beginning with the Duke of Newcastle. The last incumbent, Lord Liverpool, was the only one appointed by his son (the Prince Regent) during the father's final incapacity to rule. In downward numerical order, numbers of Prime Ministers in office during other reigns are: Only six Prime Ministers came to serve office under sovereigns in whose own reigns they were born. The present Prime Minister, Theresa May, is the third Prime Minister to have been born in
Historical rankings of Prime Ministers of Australia the relatively small number of collective anthologies have treated each prime minister discretely rather than undertaking comparative analysis of their leadership performance, let alone contemplating qualities of greatness in the office". In 1992, "The Canberra Times" asked "almost 300 political scientists and historians at every Australian university" to nominate the five greatest prime ministers in Australian history; 143 responded. Five points were awarded to the prime minister each respondent judged to be the greatest, and so on down to one point for the fifth-greatest prime minister; some respondents awarded half points. Ben Chifley received the most overall points in the