- March 16, 1892 - César Vallejo, the most important Peruvian poet, is born in Santiago de Chuco.
- March 19, 1742 - José Gabriel Túpac Amaru Túpac Amaru II, leader of an indigenous uprising in 1780 against the Spanish in Peru, is born.
- March 28, 1936 - Writer, politician, journalist and essayist Mario Vargas Llosa representing the Latin American Boom is born.
- March 31, 1950 - The National Flag is adopted in its present form by removing the Coat of Arms from the center of the flag.