- Mar 14 Christian Friedrich Penzel, composer, dies at 63
- Mar 17 Juan de Sesé y Balaguer, Aragonese composer, dies at 64
- Mar 21 Andrea Lucchesi, composer, dies at 59
- Mar 23 Tsar Paul I of Russia (1796-1801) is struck with a sword, strangled, and trampled to death in his bedroom at St. Michael's Castle aged 46
- Mar 25 Anthony Ziesenis, architect/sculptor (Camper), dies at 69
- Mar 25 Novalis [Georg Philipp Friedrich Freiherr von Hardenberg], German romantic writer ('Heinrich von Ofterdingen), dies at 28
- Mar 28 Ralph Abercromby, English army commander (North Holland), dies at 66