26 May

26 May was a date.
In 1940, the Battle of Dunkirk began. (TV: Co-Owner of a Lonely Heart)
In 2006 (TV: Aliens of London, World War Three) UNIT released an embargoed press briefing on 26 May, reporting on Harriet Jones' tribute to those lost in the destruction of 10 Downing Street, which she blamed on terrorists. (PROSE: Number Ten Pays Tribute to UNIT) Other accounts, however, dated the Slitheen incursion to 6 March (TV: Aliens of London, et al.) or 28 June. (PROSE: Operation London)
In 2210, the population of Driax V believed there was an invasion of their planet. This invasion was later revealed to be a dream, brought on by a Kantrofarri infestation. (PROSE: Time Traveller's Diary)