British Royal Family with President and Mrs. Woodrow Wilson at Buckingham Palace, 1918
 
This photograph was taken at Buckingham Palace on December 26, 1918, and signed by President and Mrs. Wilson (1872-1961), King George V (1865-1936), Queen Mary (1867-1953) and Princess Mary (1897-1965) during Wilson's triumphal tour of Great Britain in the last week of December 1918.