<Tr> <Td> </Td> <Td> Wikimedia Commons has media related to White House Correspondents' Association dinner . </Td> </Tr> <P> The WHCA's annual dinner, begun in 1921, has become a Washington, D.C. tradition and is traditionally attended by the president and vice president . Fifteen presidents have attended at least one WHCA dinner, beginning with Calvin Coolidge in 1924 . The dinner is traditionally held on the evening of the last Saturday in April at the Washington Hilton . </P> <P> Until 1962, the dinner was open only to men, even though WHCA's membership included women . At the urging of Helen Thomas, President John F. Kennedy refused to attend the dinner unless the ban on women was dropped . </P> <P> Prior to World War II, the annual dinner featured singing between courses, a homemade movie, and an hour - long, post-dinner show with big - name performers . Since 1983, however, the featured speaker has usually been a comedian, with the dinner taking on the form of a' roast' of the president and his administration . </P>

Who is the host of the white house correspondents dinner