Remembering America's 35th President John Fitzgerald "Jack" Kennedy on his centenary

In this June 29, 1962 file photo, U.S. President John F. Kennedy and Mexican President Adolfo Lopez Mateos are showered with confetti and paper as they travel down a boulevard in Mexico City, shortly after Kennedy's arrival for a three-day visit. (AP)

In this Dec. 13, 1961 file photo, President John F. Kennedy and his wife, Jacqueline, pose in front of the Christmas tree in the Blue Room of the White House in Washington. The occasion was a pre-Christmas party for White House staff members and their families. (AP)

In this June 5, 1961 file photo, Queen Elizabeth II poses with U.S. President John F. Kennedy, before a state dinner at Buckingham Palace. At left is the Duke of Edinburgh and Kennedy's wife, Jackie, is at second left. (AP)

In this Dec. 18, 1961 file photo, President John F. Kennedy heads for Washington after an overnight stopover in West Palm Beach, Fla., where he rested after his Latin American tour due to a heavy cold. (AP)

In this April 2, 1961 file photo, President John F. Kennedy and first lady Jacqueline Kennedy leave St. Edward's Catholic Church in Palm Beach, Fla., after attending Easter Sunday services. (AP)

In this Aug. 22, 1962 file photo, President John F. Kennedy walks with Vice President Lyndon Johnson, right, on the White House south grounds as Johnson started a trip to Italy and the Middle East. (AP)

In this June 3, 1961, file photo, Soviet Premier Nikita Khrushchev and President John F. Kennedy talk in the residence of the U.S. Ambassador in a suburb of Vienna. The meeting was part of a series of talks during their summit meetings in Vienna. (AP)

In this Nov. 22, 1963 file photo, President John F. Kennedy rides in a motorcade with his wife Jacqueline, right, Nellie Connally, left, and her husband, Gov. John Connally of Texas in Dallas, Texas., prior to President Kennedy's assassination. (AP)