President John F. Kennedy and First Lady Jacqueline Kennedy attend the inaugural ball January 20, 1961 in Washington, DC.
Vice President Lyndon Johnson, first lady Jacqueline Kennedy and President Kennedy chat at inauguration, Jan. 20, 1961. (Paul Schutzer/Time & Life Pictures/Getty Images)
Inaugural Address of John F. Kennedy, 35th President of the United States. Washington, DC 20 January 1961.
Items belonging to former U.S. President John F. Kennedy, including reading glasses and a Omega watch worn at his inauguration, lie on display at an auction preview at the Trump Tower November 16, 2005 in New York City.
Presidential candidate John Kennedy stops to chat with a group of miners as he campaigns during the primaries. (Hank Walker/Time & Life Pictures/Getty Images)
Presidential candidate John F. Kennedy speaking to fellow candidate Richard M. Nixon, Oct. 1, 1960. (Ed Clark/Time & Life Pictures/Getty Images)
The presidential candidate steals a moment from the campaign but it's hardly private. (Paul Schutzer/Time & Life Pictures/Getty Images)
John Kennedy and Ward Wylie, right, campaign in Kermit, W. Va., April 1, 1960. (Hank Walker/Time & Life Pictures/Getty Images)
Sen. John Kennedy taking a moment with daughter Caroline at his Georgetown home, Aug. 1, 1960. (Alfred Eisenstaedt/Time & Life Pictures/Getty Images)
The Massachusetts senator at campaign headquarters on primary night with his brother Robert F. Kennedy, April 1, 1960. (Stan Wayman/Time Life Pictures/Getty Images)
Jacqueline Kennedy at the inauguration of her husband, President John F. Kennedy, Jan. 20, 1961. (Paul Schutzer/Time & Life Pictures/Getty Images)
JFK and brother Bobby, his campaign manager, in a hotel suite, silhouetted against the sunlight coming through the windows. (Hank Walker/Time & Life Pictures/Getty Images)
Sen. John F. Kennedy on his private plane between campaign stops, Sept. 1, 1960. (Paul Schutzer/Time & Life Pictures/Getty Images)
President John F. Kennedy meets with civil rights leaders at the White House August 28, 1963.
John Kennedy Jr. playing in the Oval Office at the White House, Washington, DC, October 15, 1963.
U.S. President John F. Kennedy (L) speaks during a televised speech to the nation about the strategic blockade of Cuba, and his warning to the Soviet Union about missile sanctions, during the Cuban missile crisis October 24, 1962 in Washington, DC.
The eternal flame burns at the gravesite of the 35th President of the United States John F. Kennedy, at Arlington National Cemetery,
A view of the John F. Kennedy Memorial Plaza in Dallas, Texas