Question: Players is a BBC Books original novel written by Terrance Dicks and based on the long-running British science fiction television series "Doctor Who", it features the Sixth Doctor and Peri meeting Winston Churchill during the Boer War and prior to the abdication of the would-be king Edward VIII, was King of the United Kingdom and the Dominions of the British Empire, and Emperor of India, beginning on which date?

Context paragraphs:
The Eight Doctors: The Eight Doctors is a BBC Books original novel written by Terrance Dicks and based on the long-running British science fiction television series "Doctor Who".  It was the first of the Eighth Doctor Adventures range and features the Eighth Doctor and introduces his new companion, Sam Jones.

Edward VIII: Edward VIII (Edward Albert Christian George Andrew Patrick David; 23 June 1894 – 28 May 1972) was King of the United Kingdom and the Dominions of the British Empire, and Emperor of India, from 20 January 1936 until his abdication on 11 December the same year.

Endgame (Doctor Who): Endgame is a BBC Books original novel written by Terrance Dicks and based on the long-running British science fiction television series "Doctor Who".  It features the Eighth Doctor, as well as the Players.

Revenge of the Judoon: Revenge of the Judoon is a BBC Books original novella written by Terrance Dicks and based on the long-running British science fiction television series "Doctor Who".  It features the Tenth Doctor and his companion Martha Jones.  This paperback is part of the Quick Reads Initiative sponsored by the UK government, to encourage literacy.  It has a similar look to BBC Books' other new series adventures, except for its much shorter word count, being a paperback and not being numbered as part of the same series.  To date it is the one of only five novels based upon the revived series that have not been published in hardcover: the first, "I am a Dalek", was published in May 2006; the second, "Made of Steel", was published in March 2007; the fourth, "The Sontaran Games", was published in February 2009; and the fifth, "Code of the Krillitanes", was published in March 2010.  These four books are also part of the Quick Reads Initiative.

Deadly Reunion: Deadly Reunion is a BBC Books original novel written by Terrance Dicks and Barry Letts and based on the long-running British science fiction television series "Doctor Who".  It features the Third Doctor, Jo, and UNIT.

World Game (novel): World Game is a BBC Books original novel written by Terrance Dicks and based on the long-running British science fiction television series "Doctor Who".  It features the Second Doctor (Patrick Troughton) and the Lady Serena and is set during "Season 6B".  It is also a partial sequel to another Dicks' Past Doctor Adventure, "Players" and documents the return of the Countess.

Players (Doctor Who novel): Players is a BBC Books original novel written by Terrance Dicks and based on the long-running British science fiction television series "Doctor Who".  It features the Sixth Doctor and Peri meeting Winston Churchill during the Boer War and prior to the abdication of the would-be king Edward VIII.  Flashbacks scenes feature the Second Doctor meeting Winston Churchill in 1915 during the First World War, these sequences serving as a partial prequel to Dick's subsequent novel "World Game", which is set during Season 6B.

Warmonger (novel): Warmonger is a BBC Books original novel written by Terrance Dicks and based on the long-running British science fiction television series "Doctor Who".  It features the Fifth Doctor and Peri.

Made of Steel (novella): Made of Steel is a BBC Books original novella written by Terrance Dicks and based on the long-running British science fiction television series "Doctor Who".  It features the Tenth Doctor and Martha.  This paperback is part of the Quick Reads Initiative sponsored by the UK government, to encourage literacy.  It has a similar look to BBC Books' other new series adventures, except for its much shorter word count, being a paperback and not being numbered as part of the same series.  To date it is the one of only five novels based upon the revived series that have not been published in hardcover: the first, "I am a Dalek", was published in May 2006; the third, "Revenge of the Judoon", was published in March 2008; the fourth, "The Sontaran Games", was published in February 2009; and the fifth, "Code of the Krillitanes", was published in March 2010.  These four books are also part of the Quick Reads Initiative.

Catastrophea: Catastrophea is a BBC Books original novel written by Terrance Dicks and based on the long-running British science fiction television series "Doctor Who".  It features the Third Doctor and Jo.

Supporting paragraphs: Players (Doctor Who novel) Edward VIII
Answer: 20 January 1936