Rearrange this list of prime ministers into the order in which they first took up office, beginning with the earliest first
Correctly ordered list
1: Sir Robert Walpole 1721
2: William Pitt the Younger 1783
3: Spencer Perceval 1809
4: The Duke of Wellington 1828
5: William Ewart Gladstone 1868
6: David Lloyd George 1916
7: Stanley Baldwin 1923
8: Neville Chamberlain 1937
9: Sir Anthony Eden 1955
10: Alec Douglas-Home 1963