19 March

19 March was celebrated by the Romans as Quinquatrus, a festival celebrating the goddess Minerva's birthday. (PROSE: The Stone Rose)

In 120, two versions of the Tenth Doctor and Rose Tyler were in Rome. The slightly older versions of the couple had returned to the point that the Doctor had been captured by locals, in order to make sure that the younger Doctor would get an important phial containing a liquid he would need to revive Rose in a time between those two moments. (PROSE: The Stone Rose)

In 1918, John Sykes was murdered in the North Yorkshire village of Hawkswick. (PROSE: Casualties of War)

According to a 3 April article in the National Scandal, 19 March 1965 was the Friday when the New York City telephone switchboards were jammed with people trying to report that they'd seen a spaceship over Manhattan. (PROSE: Salvation)

In 2009, the Torchwood Three team went to the cinema, where they tangled with a mysterious entity haunting past and present. (TV: From Out of the Rain)

Perhaps more important to human history, though, was the start of Miracle Day, on Sunday 19 March at 11:36pm EST. That day, no one died. Oswald Danes and Rex Matheson survived otherwise fatal incidents, and a form of immortality came to all of humanity around the Earth. At the exact same time, the word "Torchwood" was sent to almost everyone in authority, completely bypassing security. This was enough to bring Jack Harkness back, who quickly got to work erasing all traces of the word Torchwood in seconds. (TV: The New World)