Francisco Solano López
Mar 1 Francisco Solano López, President and Dictator of Paraguay (1862-70), shouts "¡Muero con mi patria!" (I die with my nation) and dies in a struggle with Brazilian soldiers attempting to disarm him at 43

Francisco Solano López
- Mar 9 Theodore Labarre, French composer and harpist, dies at 65
- Mar 10 Isaak-Ignaz Moscheles, Bohemian composer, dies at 75
- Mar 11 Moshoeshoe I, King of Lesotho (1822-70), dies at about 47
- Mar 18 Joaquin y Garbayo Gaztambide, composer, dies at 48
- Mar 28 George Henry Thomas, American general (b. 1816)