Investigating History - 2003 D-Day The Secret Massacre 1-7 was released on:
USA: 1 June 2004
UFOs The Secret History - 2010 was released on: USA: 13 July 2010
The Secret Service
Undercover History - 2006 Unabomber The Secret History was released on: USA: 14 January 2008 USA: 14 January 2008
Secret History of Religion Knights Templar - 2006 TV was released on: USA: 2006
History's Mysteries - 1998 Secret Brotherhood of Freemasons 5-3 was released on: USA: 2002
Man Made Secret History of the Bra - 2007 TV was released on: USA: 5 October 2007
History Civil War Secret Missions - 2008 VG was released on: USA: 4 November 2008
History's Mysteries - 1998 Secret Societies 12-7 was released on: USA: 12 February 2001
History's Mysteries - 1998 Secret UFO Files 9-1 was released on: USA: 2006
Conspiracy Files - 2006 Secret History of Jesus 1-2 was released on: USA: 14 May 2006
History Specials - 2010 Secret Access UFOs on the Record 1-131 was released on: USA: August 2011
The Secret History was created in 1992-09.