Thousands of people endured the rain and cold in downtown Dallas to mark the exact moments 50 years ago when President John F. Kennedy was shot dead.
A sombre tolling of bells and started the ceremony, before those assembled observed a minute silence, followed by a rendition of "America the Beautiful."
As the world remembers the assassination of John F. Kennedy, many are reviewing his final day and the evidence around his murder.
President Kennedy's assassination left America permanently scarred.
Half a century since the murder of President John F Kennedy in Dallas, America pauses to remember their fallen hero.