20 March

20 March was the International Day of Happiness. A guide for time travellers advised to avoid Vardy-constructed colonies on this date, as the robots sometimes embraced the day with deadly efficiency. (PROSE: Time Traveller's Diary)

On Monday, 20 March 2011, one day since the start of Miracle Day, Gwen Cooper was contacted by Andy Davidson: her father had been in the hospital since the previous Saturday. Together with Rhys Williams and baby daughter Anwen, she then ventured to Cardiff, having been hiding in the countryside since the 456 incident.

That night, Esther Drummond of CIA began investigating Torchwood, and came across some physical files in the CIA Archive. Soon after Jack Harkness approached her in the Archive, a suicide bomber blew up the building. Jack and Esther jumped out the window into a fountain. After telling her everything, Jack administered retcon on Esther, and put her to sleep in her apartment. (TV: The New World)

In 2290, Loman logged his visit to the Leisure Hive. (PROSE: Still Need a Title!)

In 2016, British Science Week ended. (TV: The Coach with the Dragon Tattoo)