1909

September

 * 16-18: The Tenth Doctor and Martha Jones fought Zygons in the Lake District. (NSA: Sting of the Zygons)

Unknown dates

 * Jack Harkness was the only survivor of an attack by fairies in Lahore. (TW: Small Worlds)
 * Bernice Summerfield was temporarily separated from the Seventh Doctor and Ace in London, where she met Muldwych. (NA: Birthright)

March

 * 16 - Campbell Singer, who played the King of Hearts, Sgt. Rugg, and Joey the Clown in The Celestial Toymaker, is born in London.
 * 23 - Charles Morgan is born.

July

 * 22 - Tommy Duggan is born.

August

 * 3 - Denis Carey is born.
 * 20 - André Morell, who played Marshal Gaspard de Saux-Tavannes in The Massacre of St Bartholomew's Eve, is born in London.

September

 * 26 - Leonard Sachs, who played Admiral Gaspard de Coligny in The Massacre of St Bartholomew's Eve and Lord President Borusa in "Arc of Infinity," is born in Roodeport, Transvaal, South Africa.

October

 * 19 - Robert Beatty, who played General Cutler in The Tenth Planet, is born in Hamilton, Ontario, Canada.

December

 * 10 - Sylvia Coleridge is born.
 * 23 - Maurice Denham is born.