10 April

On 10 April 2003, Rebecca Whitaker died. (PROSE: Touched by an Angel)

In 2013, Clara Oswald received a letter from Madame Vastra while attempting to bake soufflés. It contained an invitation to an emergency psychic conference call with herself, Jenny Flint, River Song, and Strax. When she awoke, she and the Eleventh Doctor left for Trenzalore. (TV: The Name of the Doctor)