18 April (releases)


 * 1964 - "The Velvet Web" was first broadcast on BBC1.
 * 1970 - Episode five of The Ambassadors of Death was first broadcast on BBC1.
 * 1970 - Part three of TV Comic story Insect was first published.
 * 1997 -The Dying Days was first published by Virgin Books.
 * 2007 - Doctor Who: Battles in Time comic story Plague Panic was first published.