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
Timeline of Prime Ministers of the United Kingdom Timeline of Prime Ministers of the United Kingdom This is a graphical timeline of Prime Ministers of the United Kingdom from when the first Prime Minister in the modern sense, Robert Walpole, took office in 1721, until the present day. This timeline shows most of the early life, the political career and death of each Prime Minister of the United Kingdom from 1846. The first Prime Minister was Robert Walpole in the early 18th century . Unlike countries where the leader is elected directly to the highest political office of a separate executive, the Prime Minister must first establish a