6 May

On 6 May 1997, Bernice Summerfield first met the Doctor in his eighth incarnation. On the same day, the recently elected Prime Minister of the United Kingdom was assassinated in Washington DC. (PROSE: The Dying Days)

In 1758, Maximilien Robespierre, whom the First Doctor and his companions met in 1794, was born. (TV: The Reign of Terror)