 During the visit, the name "United Nations" was suggested by Roosevelt to Churchill to refer to the Allies of World War II.Roosevelt proposed it as an alternative to "Associated Powers", a term the U.S. used in the First World War (the U.S. was never formally a member of the Allies of World War I but entered the war in 1917 as a self-styled "Associated Power").Churchill accepted the idea noting the phrase was used by Lord Byron in the poem "Childe Harold's Pilgrimage", which referred to the Allies at the Battle of Waterloo in 1815.