 He resigned the chairmanship in 1918, because of his parliamentary duties, and became its senior vice-president, and the only Pilgrim Emeritus.He was also a member of the original Committee of Sulgrave Manor Board, which was set up in 1914 to commemorate 100 years of peace between Great Britain and the United States.In addition to The Pilgrims, Brittain had many close associations with the United States.