 He resigned his commission on 14 April 1920; at the special request of his cousin, George V, he was granted the honorary rank of major.During World War I, anti-German feeling in the United Kingdom led Leopold's first cousin, George V to change the name of the Royal House from the Germanic House of Saxe-Coburg and Gotha to the more English-sounding House of Windsor.The King also renounced all his Germanic titles for himself and all members of the British Royal Family who were British citizens.