21 June (releases)


 * 1969 - Episode ten of The War Games was first broadcast on BBC1.
 * 1969 - Part four of the TV Comic story Operation Wurlitzer was first published.
 * 1975 - Part five of the TV Comic story The Wreckers was first published.
 * 2007 - Part one of the Doctor Who Adventures comic story Minus Seven Wonders was first published.
 * 2008 - Turn Left first broadcast on BBC One. Later, Here Come the Girls aired on BBC Three.
 * 2012 - The Doctor Who Adventures comic story Le Tour de Death was first published.
 * 2017 - Part one of Vortex Butterflies was first published in 10DY3 6.