CBS News anchor Walter Cronkite reports that President John F. Kennedy was assassinated in Dallas on Nov. 22, 1963. CBS via Landov hide caption

itoggle caption CBS via Landov

During JFK's funeral, live TV coverage helped make John-John Kennedy's salute an indelible image of American history. Keystone/Getty Images hide caption

itoggle caption Keystone/Getty Images

Lady Bird Johnson (left), Vice President Lyndon B. Johnson, First Lady Jacqueline Kennedy and President John F. Kennedy sit during the Fort Worth Chamber of Commerce Breakfast at the Hotel Texas. JFK Library hide caption

itoggle caption JFK Library

Glenda Rike's husband was in the room when President Kennedy received his last rites. She recounted his experience to her son, Larry, on a visit to StoryCorps. StoryCorps hide caption

itoggle caption StoryCorps

The Boston Symphony Orchestra was mid-performance when the news of President Kennedy's assassination broke. AP hide caption

itoggle caption AP

Dallas is preparing for Friday's 50th anniversary of President John F. Kennedy's assassination, and hoping to show how much the city has changed. Tom Pennington/Getty Images hide caption

itoggle caption Tom Pennington/Getty Images

The log of the Boston Symphony Orchestra's performance on the afternoon of Friday, Nov. 22, 1963. courtesy of the Boston Symphony Orchestra hide caption

itoggle caption courtesy of the Boston Symphony Orchestra

President John F. Kennedy and his wife, Jacqueline, are greeted by an enthusiastic crowd upon their arrival at Dallas Love Field on Nov. 22, 1963. AP hide caption

itoggle caption AP

CBS newscaster Walter Cronkite announces the death of President John F. Kennedy. CBS/Landov hide caption

itoggle caption CBS/Landov

The presidential motorcade travels down Main Street in Dallas on Nov. 22, 1963, the day President John F. Kennedy was shot. Cecil Stoughton/UPI /Landov hide caption

itoggle caption Cecil Stoughton/UPI /Landov

President Kennedy addresses the nation about the economy in 1962. He presided over an economic turnaround. AP/John F. Kennedy Library and Museum hide caption

itoggle caption AP/John F. Kennedy Library and Museum