23 March

On 23 March 1526, the Eleventh Doctor and Amy Pond arrived in the lost city of Anglica and faced the Weeping Angels. (GAME: Angels in the Shadows)

A more important date to human history, however, was 23 March 1933: the day that Adolf Hitler became Führer of Germany. This was thanks to enhanced oratory and mass hypnosis skills bestowed upon him by the War Lords and the Timewyrm. The Seventh Doctor witnessed one of his speeches. (PROSE: Timewyrm: Exodus)

In 2010, a pioneering scientist among the Boneless raised the idea of a hypothetical third dimension. (PROSE: Time Traveller's Diary)

In 2040, Project Golden Girl was initiated; Imogen Kelly Quaye was admitted to the Lashley Institute, and tests on her began. (PROSE: Artificial Intelligence)

23 March 2472 was Jo Grant's first destination in the TARDIS. tried to navigate between the three groups on Uxarieus, the humans, the Interplanetary Mining Corporation and the native Uxarieans, to gain control of the Uxariean Doomsday Weapon. He was stopped by the Third Doctor and Jo. (TV: Colony in Space, PROSE: The Face of the Enemy)