Question: Who was prime minister of canada in 1920?

context: Sir Robert Borden retired from office in 1920. He was the Chancellor of Queen's University from 1924 to 1930 and also was Chancellor of McGill University from 1918 to 1920 while still Prime Minister. Borden also served as Vice-President of The Champlain Society between 1923 and 1925. He was the Society's first Honorary President between 1925 and 1938. Borden's successor Arthur Meighen was defeated by the new Liberal leader William Lyon Mackenzie King in the 1921 election. Nevertheless, Borden would go on to represent Canada once more on the international stage when he attended the Washington Naval Conference in 1922 and signed the resulting arms reduction treaty on Canada's behalf.
question: Who was prime minister of canada in the beginning of 1920?
short_answers: Sir Robert Laird Borden, GCMG PC KC
Sir Robert Laird Borden
Sir Robert Borden
context: No context provided
question: Who was prime minister of canada in the end of 1920?
short_answers: Arthur Meighen
Arthur Meighen PC QC
context: No context provided
question: Who was Prime Minister of Canada from 12 October 1917-10 July 1920?
short_answers: Sir Robert Borden
context: No context provided
question: Who was Prime Minister of Canada from 10 July 1920-29 December 1921?
short_answers: Arthur Meighen

Answer: Canada had more than one prime minister in 1920. Sir Robert Borden, elected on September 21, 1911, served as Canada's eighth prime minister until July 10, 1920, before retiring from active political life. Arthur Meighen succeeded Borden and was prime minister from July 10, 1920, to December 29, 1921, when he was defeated by the new Liberal leader William Lyon Mackenzie King in the 1921 election.