18 May

18 May was International Museum Day, which offered a way for time travellers to find lost property or new places to visit and, sometimes, to keep score. (PROSE: Time Traveller's Diary)

On 18 May 1538, in the Eighth Doctor left England in the company of Lady Risolva, after investigating the Doomsday Chronometer. (AUDIO: The Eighth Piece, The Doomsday Chronometer)

Ed Hill planned to destroy the Earth on 18 May 1969. He was shot and killed by Fitz Kreiner and the Eighth Doctor before he could succeed. (PROSE: Revolution Man)