The Doctor Who Production Diary: September 9th

1953 Janet Mahoney (aka Janet Fielding, who played Tegan Jovanka) is born Tegan Jovanka
1965 Adrienne Hill is cast as new companion Katarina, although John Wiles and Donald Tosh have already agreed that the character is not feasible as a long-term member of the cast, and have decided to write her out in her second story, The Daleks' Master Plan Katarina
1967 Debut broadcast of The Tomb Of The Cybermen episode two on BBC1 The Tomb Of The Cybermen
1967 Location filming for The Abominable Snowmen takes place at Gwynedd, Wales The Abominable Snowmen
1968 Location filming for The Invasion takes place in London The Invasion
1978 Debut broadcast of The Ribos Operation episode two on BBC1 The Ribos Operation
1981 Pat Mills and John Wagner are commissioned to provide a storyline for “The Song Of The Space Whale” The Fifth Doctor
1982 Recording for Mawdryn Undead takes place in BBC Television Centre Studio 6 Mawdryn Undead
1983 Recording for Frontios takes place in BBC Television Centre Studio 6 Frontios
2004 Location filming for Rose takes place in Cardiff, Wales Rose
2004 Location filming for Aliens Of London / World War Three takes place in Cardiff, Wales Aliens Of London / World War Three
2005 Location filming for New Earth takes place in Cardiff, Wales New Earth
2009 Location filming for The Beast Below takes place in Neath, Wales The Beast Below
2010 Location filming for Night Terrors takes place in Cardiff, Wales Night Terrors
2013 Recording for The Time Of The Doctor takes place at BBC Roath Lock The Time Of The Doctor