1930

June

 * "The English Way of Death" takes place

July

 * 7 - Arthur Conan Doyle dies.

October

 * The mystery novel The Murder at the Vicarage by Agatha Christie is first published. This novel introduces Christie's popular character Miss Marple. Although she has no recollection of her adventure with the Tenth Doctor and Donna Noble in 1926, she unconsciously remembers idea of Miss Marple given to her by Donna. (DW: The Unicorn and the Wasp)
 * "Storm Warning" takes place

November

 * Due to the onset of the Great Depression, New York City's Central Park houses a "tent city" inhabited by the unemployed and homeless. Remnants of the Cult of Skaro, having escaped to this year from the Battle of Canary Wharf (DW: Doomsday) begin abducting people in hopes of creating a Dalek-human hybrid. Dalek Sec becomes just such a hybrid, until he is killed by his colleagues. (DW: Daleks in Manhattan / Evolution of the Daleks)

Unknown dates

 * The Doctor learns magic tricks from Jasper Maskelyne ("The Ribos Operation").


 * The Doctor visits the planet Tigella, where he sees the Dodecahedron and befriends the planet's leader, Zastor. Zastor remembers the Doctor as one who "can see the strings that bind the Universe together, and mend them when they break ("Meglos")."


 * Alistair Gordon Lethbridge-Stewart is born ("Blood Heat," "No Future").

January

 * 1 - Mohammad Shamsi is born.
 * 4 - Iain Cuthbertson is born.
 * 24 - Terence Bayler, who played Yendom in "The Ark" and Major Barrington in "The War Games," is born in Wanganui, New Zealand.

February

 * 23 - Gerry Davis is born.

March

 * 3 - Shirley Cooklin is born.
 * 7 - Brian Hayles is born.

April

 * 7 - Andrew Sachs is born.
 * 11 - Ronald Fraser is born.
 * 18 - Angus Lennie is born.

May

 * 9 - Joan Sims is born.

June

 * 4 - Lisa Daniely is born.

July

 * 3 - Robert Robertson is born.
 * 18 - Burt Kwouk is born.
 * 30 - Alan Curtis is born.

August

 * 8 - Terry Nation is born.
 * 28 - Windsor Davies is born.
 * Clifford Earl, who played the station sergeant in "The Daleks' Master Plan" and Major Branwell in "The Invasion," is born in England.

September

 * 1 - Emrys James is born.
 * 24 - Angelo Muscat is born.

October

 * 24 - Brian Peck is born.

November

 * 14 - Michael Robbins, known for his portrayal of Richard Mace in The Visitation is born in London, England, UK.
 * 20 - Bernard Horsfall is born.

December

 * 16 - Ronald Allen is born.

Unknown date

 * Don Houghton is born.
 * Edward Kelsey is born.
 * Edward Brayshaw, who played Léon Colbert in "The Reign of Terror" and the War Chief in "The War Games," is born.
 * Alan Haywood, who played Hector in "The Myth Makers," is born.