1947

June

 * A Nedenah spacecraft crashed in Roswell, New Mexico. (PDA: The Devil Goblins from Neptune)
 * 13 - Another spacecraft, piloted by alien ambassador Seruba Velak, also crash landed in the vicinity of Roswell. She was taken prisoner by the US government and held in captivity for the next eleven years. (DW: Dreamland)
 * The technology from one of the above crashes ended up in the hands of Henry van Statten decades later. He used it to develop broadband internet. (DW: Dalek)

Unknown Dates

 * The Second Doctor, Ben Jackson and Polly Wright arrived in Los Angeles and assisted the police in a murder investigation. (PDA: Dying in the Sun)
 * British occultist Aleister Crowley faked his own death in Hastings as part of his recruitment by the Americans into the Golgotha Project. (PDA: Heart of TARDIS)
 * The Tenth Doctor and Donna Noble arrived in Calcutta, British India where they met Mohandas Gandhi. (NSA: Ghosts of India)

January

 * 2 - Eiji Kusuhara was born.
 * 11 - Anna Calder-Marshall was born in Kensington, London.
 * 17 - John Alkin (Lomand in DW: Planet of Fire) was born.

February

 * 17 - Dallas Adams (Howard Foster in DW: Planet of Fire) was born.

March

 * 10 - Colin Stinton was born in Canada.
 * 17 - Petra Markham was born in Prestbury, Cheshire, England.
 * 25 - Elton John was born.
 * 29 - Leslie Meadows was born.

May

 * 6 - Alan Dale was born.

June

 * 1 - Jonathan Pryce was born in Holywell, Wales.
 * 12 - Christopher Farries was born.
 * 24 - Brendan Price (Tomas in DW: The Face of Evil) was born.

August

 * 12 - John Nathan-Turner was born.

September

 * 12 - Christopher Neame was born in London.
 * 18 - Paul Seed was born.
 * 30 - Rula Lenska was born.

October

 * 16 - Guy Siner was born.

November

 * 17 - James Warwick was born.

December

 * 7 - Wendy Padbury, who played Zoe Heriot, was born at Stratford-upon-Avon, England.
 * Patrick Troughton made his TV debut in a production of Hamlet broadcast in the UK.
 * 29 - Alan David was born.

Unknown

 * Terry Molloy was born in Liverpool.
 * Howard Attfield was born.
 * Michael Keating was born.