Robert Gascyone-Cecil was the prime minister from 1895 to 1902.
The US does not have a Prime Minister, so there was no US Prime Minister in 1900.
This depends on the country. See related questions.
England had a total of 33 prime ministers between the years 1800 and 1900. The prime minister in the year 1800 was Henry Addington and in the year 1900 was Robert Gascoyne-Cecil.
Sir Wilfred Laurier was elected to Prime Minister in the 1896, 1900, 1904, and 1908 Canadian federal elections.
United kingdom
On 26th October 1951 following the UK General Election the previous day when The Conservative Party, which he led won more Parliamentary Seats than the Labour Party whose leader Clement Atlee had been prime minister. Churchill had previously been appointed Prime Minister without election on 10th May 1940, when his predecessor, Neville Chamberlain resigned.
He's not Prime Minister -- He's been dead a long time, having served as Canada's top political leader during the early 1900's.
It was the United Kingdom.
The country code and area code of Workington, United Kingdom is 44, (0)1900.
The United Kingdom declared war on Germany at 11am on September 3rd 1939.
Hawaii was annexed to the United States in 1900 after the overthrowing of the Kingdom of Hawaii.
Queen Victoria was the titular head. Robert Cecil 3rd Earl of Salisbury was leader as prime minister.