<Li> 18 March 1869--14 December 1918: Mr Arthur Neville Chamberlain </Li> <Li> 14 December 1918--31 October 1922: The Honourable Arthur Neville Chamberlain MP </Li> <Li> 31 October 1922--1938: The Right Honourable Arthur Neville Chamberlain MP </Li> <Li> 1938--9 November 1940: The Right Honourable Arthur Neville Chamberlain MP FRS </Li>

Who was the british leader who was best known during world war ii