- Mar 3 American tailor and inventor Thomas L. Jennings (30) receives US patent for his "dry-scouring" process. the forerunner of today’s modern dry-cleaning
- Mar 5 Monroe is 1st US President inaugurated on March 5th, because 4th was Sunday
- Mar 14 African Methodist Episcopal Zion Church founded (NY)
- Mar 21 First revolutionary act in Monastery of Agia Lavra, Kalavryta, Greek War of Independence.
- Mar 21 Merger of the Hudson Bay Company and the North West Company, creating a monopoly of the fur trade in British North America [1]
- Mar 23 Battle and fall of city of Kalamata, Greek War of Independence
- Mar 25 The Greek revolution against the Ottoman Turks is officially declared, with hostilities having started two months earlier
- Mar 26 Franz Grillparzer's "Das Goldene Vliess" premieres in Vienna
Authors
Civil Rights Activists
Inventors
Kings
Revolutionaries
Scientists