Template:On this day - April 13

Hermenegild

• 585 – Death of Hermenegild, Hispano-Visigothic prince, whose conversion to Christianity set him against his father and provoked a military conflict (b. 564).
• 1499 – Pope Alexander VI publishes a bull authorizing Cardinal Cisneros to create the University of Alcalá de Henares.
• 1546 – Birth of Elisabeth of Valois, third wife of King Philip II of Spain and Queen consort of Spain from 1559 until her death (d. 1568).
• 1684 – Death of Nicolás Antonio, Spanish scholar and bibliophile, initiator of modern Spanish bibliography (b. 1617).
• 1762 – Birth of Hermenegildo Galeana, Mexican soldier (d. 1814).
• 1813 – In the Captaincy General of Chile, Francisco Antonio Pérez takes office as President of the Provisional Governing Junta of the Kingdom in the name of Ferdinand VII.
• 1832 – Birth of Juan Montalvo, Ecuadorian liberal essayist and novelist (d. 1889).
• 1840 – In the Vatican, Pope Gregory XVI officially recognizes the independence of Chile.
• 1913 – A failed assassination attempt is made on the King of Spain, Alfonso XIII, by the anarchist Sancho Alegre.
• 1956 – Death of Blanca de los Ríos, Spanish writer and painter (b. 1862).
• 1967 – Death of Luis Somoza Debayle, acting president and later President of Nicaragua from 1957 to 1963, after the assassination attempt on his father Anastasio Somoza García (b. 1922).
• 2000 – In Bolivia, parliament approves the state of siege decreed by President Hugo Bánzer on April 8 of that year.
• 2002 – In Venezuela, President Hugo Chávez resumes power after having been deposed by a coup d'état two days earlier.
• 2003 – Death of José Antonio Valverde, Spanish biologist and founder of the Doñana Park (b. 1926).
• 2009 – Death of Abel Paz, Spanish writer, self-taught historian and anarcho-syndicalist (b. 1921).
• 2009 – Death of Paca Aguirre, Spanish writer and poet (b. 1930).
• 2016 – Death of Mariano Mores, Argentine tango pianist, composer and orchestra conductor (b. 1918).
• 2020 – Death of Landelino Lavilla, Spanish jurist and politician (b. 1934).