Rise of Neville Chamberlain in 1914 prevented implementation of his plans in Birmingham. With the outbreak of World War I in August 1914, Chamberlain became deeply involved in the war effort. In addition to his duties as councillor, Chamberlain helped recruit men for the Royal Warwickshire Regiment and set up funds for injured soldiers. Late in 1914, he became an alderman of Birmingham, and the following year, became Lord Mayor. Chamberlain's biographer, Robert Self, suggested that as Joseph Chamberlain had died the previous year, the honour was due to Neville Chamberlain's hard work rather than to any family influence. As a Lord Mayor in
Neville Chamberlain seat in the small War Cabinet. The new First Lord proved to be a difficult Cabinet colleague, deluging the Prime Minister with a sea of lengthy memos. Chamberlain castigated Churchill for sending so many memos, as the two met in War Cabinet every day. Chamberlain suspected, correctly as it proved after the war, that "these letters are for the purpose of quotation in the Book that he will write hereafter". Chamberlain was also able to deter some of Churchill's more extreme plans, such as Operation Catherine, which would have sent three heavily armoured battleships into the Baltic Sea with an