Caroline Kennedy, daughter of late U.S. president John F. Kennedy, and her uncle, Sen. Edward M. Kennedy (L) greet U.S. President Gerald Ford (R) on his arrival to the old North bridge in Concord, NH, for Bicentennial ceremonies on April 19, 1975. President Ford later proceeded on to Lexington for events there celebrating the 200th birthday of the American Revolution. (UPI Photo/tm/Files)