1 September

On 1 September, 1939, World War II began on Earth when Germany invaded Poland. The Seventh Doctor warned Hitler that Britain and France would declare war if he took this action. (PROSE: Timewyrm: Exodus, AUDIO: Neverland)

On the same day, in 2982, Roz Forrester, companion of the Seventh Doctor, was buried on Earth. (PROSE: So Vile a Sin)