I've Got a Secret - Lincoln Assassination

http://laughingsquid.com/lincoln-assassination-eyewitness-on-1956-episode-of-ive-got-a-secret

History

Civil War

April 12, 1861 - June 22, 1865

Lincoln Assassination

April 14, 1865

I've Got a Secret Episode

Feb 14, 1956

Article on HackerNews

Aug 4, 2011

Mr Seymour

Samuel J. Seymour's Life

1860 - April 14, 1956