March was a month.

Trends

19 March was celebrated by the Romans as Quinquatrus, a festival celebrating the goddess Minerva's birthday. (PROSE: The Stone Rose ^[+]Jacqueline Rayner, BBC New Series Adventures (BBC Books, 2006).) 19 March was also celebrated as St Joseph's Day, celebrating the patron saint of workers, and Father's Day. (PROSE: There's a storm coming: 19 March ^[+]Error: Code 2 - no data stored in variables, cache or SMW.)

International Day of Forests was an annual event, occurring on 21 March. A guide for time travellers stated that it was not to be confused with the Day of the International Forest. (PROSE: Time Traveller's Diary ^[+]Chris Farnell, BBC Children's Books (2020).)

By year

20th century

Between 1 March and 6 March 1941, the Hartung Project was forwarded by the Luftwaffe zbV following the death of Emil Hartung. Resulting in tragedies like the Granville raid, the Seventh Doctor and Jason Kane both worked to thwart the Project, as it had resulted from them letting slip anachronistic information about radar technology in 1936. (PROSE: Just War ^[+]Lance Parkin, Virgin New Adventures (Virgin Books, 1996)., AUDIO: Just War ^[+]Jacqueline Rayner, adapted from Just War (Lance Parkin), Bernice Summerfield: Single Releases (Big Finish Productions, 1999).) Bernice Summerfield experienced both versions of events with the Doctor and with Jason. (PROSE: Paydirt ^[+]Lance Parkin, A Life of Surprises (Bernice Summerfield short stories, Big Finish Productions, 2002)., Dear Friend ^[+]Jim Sangster, A Life of Surprises (Bernice Summerfield short stories, Big Finish Productions, 2002).)

One Saturday in 1943, the Third Doctor arrived in Los Alamos in New Mexico and discreetly made changes to Niels Bohr's notes, ensuring that the Manhattan Project would be successful. (PROSE: Come Friendly Bombs... ^[+]Dave Owen, Short Trips: Past Tense (Short Trips, 2004).)

In 1944, both Britain and Germany decrypted a Wyrrester code holding instruction on how to build a transmat device. The Germans developed Die Glocke but failed to make it work. The British tested the Bell on 21 March but it was destroyed by the Luftwaffe after it paved the way for a Wyrrester attack. (PROSE: The Crawling Terror ^[+]Mike Tucker, BBC New Series Adventures (BBC Books, 2014).)

Later history

One Tuesday night in March 2007 was "when it all changed" for LINDA. Victor Kennedy, also known as the Abzorbaloff, discovered LINDA and quickly took command of the group to help him find the Doctor so he could absorb the Time Lord and gain access to the TARDIS. (TV: Love & Monsters ^[+]Russell T Davies, Doctor Who series 2 (BBC One, 2006).) He also assimilated a secretary into his body. (WC: Tardisode 10 ^[+]Gareth Roberts, Tardisodes series 2 (2006).)

In 2197, the Sixth Doctor and Evelyn Smythe returned to the Valiant in the TARDIS from their trip to 7 September 1952. Since they departed on 16 January, thousands of the crew had fallen victim to Hayman, heard an old bell and walked through an even more ancient, impossible door in open space to their deaths. The Doctor covered the entrance to the door, and dematerialised, bringing the portal door with it. Meanwhile, Captain Tanya Oswin of the Valiant ordered nuclear missiles to be launched at the location where the door had been. The remaining crew evacuated, but companion Evelyn Smythe stayed behind out of faith for her friend. The Doctor, after visiting "Time's End" with Hayman, changed the coordinates of his ship so that the missiles would destroy it circa 50,000,000,000 BC. The Doctor and Evelyn, having saved humanity from one of its predecessors, departed. (AUDIO: The Nowhere Place ^[+]Nicholas Briggs, Main Range (Big Finish Productions, 2006).)

Parallel universes

The Second Time Front reached its climax in March 1970. On Germania I, one of the Known Worlds on which Nazi Germany reached its full potential, the Roman armies of the Empire of Empires entered Berlin on 3 March and General Wilding agreed to surrender on 10 March. (PROSE: Warlords of Utopia ^[+]Lance Parkin, Faction Paradox novels (Mad Norwegian Press, 2004).)