1951

April

 * The First Doctor, Ian Chesterton and Barbara Wright moved a replica of the Stone of Scone to Arbroath Abbey, where it was accidentally broken in two. (ST: Set in Stone)

May

 * Before 25 May - The Seventh Doctor and Ace attended the Festival of Britain. (NA: Timewyrm: Exodus)
 * The Eighth Doctor also passed through the Festival at the same time. He briefly saw his past self and his former companion but did not recognise either of them. (EDA: Endgame)

Late Spring

 * Between 20 April and 20 May - Sarah Jane Smith was born. (SJA: Secrets of the Stars, SJA: The Temptation of Sarah Jane Smith)

June

 * 22 - The last Witchcraft Act was repealed in the United Kingdom. (DW: The Dæmons)

August

 * 18 - Eddie and Barbara Smith, the parents of Sarah Jane, died in a car accident outside of the village of Foxgrove. Heir daughter was subsequently raised by Eddie's sister Lavinia Smith. (SJA: The Temptation of Sarah Jane Smith)

Unknown dates

 * The first radio telescope was invented. (DW: Pyramids of Mars)
 * Mrs Randall was given a prize as "Miss Ealing". (SJA: Eye of the Gorgon)
 * The local people of Lapperton on the Dorset Coast found the face of a large creature stuck inside the cliff. The Doctor identified the creature as a Demigod. It broke free in search of its other half. And then, for the first time in a while, it went away. (DWA:  The Cliff Face)
 * Jo Grant, a future companion of the Third Doctor, was born. (ST: Carpenter/Butterfly/Baronet)
 * John Grainger was born in London to Edward and Eleanor Grainger. (ST: Incongruous Details)

January

 * 7 - Helen Worth (Mary Ashe in DW: Colony in Space) was born.

February

 * 5 - Robin Sachs (a British Professor in TW: The New World) was born.

March

 * 9 - Chris Clough was born.

April

 * 13 - Peter Davison, who portrayed Fifth Doctor, was born as Peter Moffett at Streatham, London.
 * 20 - Louise Jameson, who portrayed companion Leela, was born at Wanstead, London.

May

 * 23 - Don Warrington (the President in DW: Rise of the Cybermen and Rassilon for Big Finish Productions) was born.

June

 * 4 - David Yip was born.
 * 24 - David Rodigan was born.
 * 24 - Simon Rouse was born.
 * 28 - Lalla Ward, who portrayed Princess Astra and the second incarnation of Romana, was born Lady Sarah Ward, daughter of Lord Bangor, in London.

July

 * 13 - Joseph Lederer was born.
 * 17 - Dave Chapman was born.
 * 20 - Jeff Rawle (Plantagenet in DW: Frontios and Lionel Harding in SJA: Mona Lisa's Revenge) was born.

September

 * 6 - Judith Byfield (Angela Clifford in DW: Time-Flight) was born.
 * 24 - David Banks was born.

December

 * 21 - Jane How was born.

Date unknown

 * Angela Bruce was born.
 * Nigel Humphreys was born.