Template:On this day - June 6

Charles I

• 1078 – Death of Agnes of Aquitaine, French aristocrat, first wife of King Alfonso VI of León (b. c. 1059).
• 1095 – Death of Agnes of Aquitaine, French aristocrat, first wife of King Peter I of Aragon (b. 1072).
• 1217 – Death of Henry I, King of Castile from 1214 to 1217 (b. 1204).
• 1391 – In Écija (Seville) the anti-Jewish riots of 1391 begin.
• 1528 – In Spain, Charles I grants Hernán Cortés various titles and honors.
• 1554 – In Spain, Charles I recognizes John of Austria as his son.
• 1555 – In Zacatecas (New Spain, present-day Mexico), the village of Sombrerete is founded.
• 1586 – San Agustín (New Spain, present-day United States) is attacked by the privateer Francis Drake, in command of more than 20 ships and 2,000 men, in the service of the English crown. Its buildings were burned and the town sacked.
• 1762 – In Cuba, a British fleet with more than 50 ships and 14,000 men appears off Havana, which after a two-month siege will surrender the defense of Morro Castle, defended by Luis Vicente de Velasco e Isla.
• 1801 – In Badajoz (Spain), the Treaty of Badajoz ends the War of the Oranges.
• 1808 – In Bayonne, Joseph Bonaparte (brother of Napoleon) is proclaimed King of Spain.
• 1808 – In Seville the Supreme Central Junta issues the Declaration of War on the Emperor of France, Napoleon I, invalidating the proclamation of Joseph Bonaparte. Thus the effective reign of Joseph I was recognized only by the French invaders themselves, while the rest of the world continued to recognize Spanish authority over its peninsular and overseas territories.
• 1808 – In Valdepeñas (Spain), the townspeople confront the French reinforcements sent to Andalusia, a prelude to the Battle of Bailén.
• 1808 – In El Bruc (Catalonia) (in the course of the Napoleonic Invasion of Spain) the Battle of El Bruc begins.
• 1816 – Antonio Villavicencio, Neogranadine military officer, is executed by firing squad (b. 1759).
• 1869 – In Spain the Constitution of 1869 is promulgated.
• 1905 – In two days, the Paraná River floods and destroys the city of Santa Fe (Argentina).
• 1910 – Birth of Jaime Vicens Vives, Spanish historian and university professor of History at Zaragoza and Barcelona.
• 1938 – Death of Rafael Guízar y Valencia, Mexican bishop, the first Hispanic American priest canonized by the Catholic Church (b. 1878).
• 2007 – Costa Rica establishes diplomatic relations with mainland China, and breaks them off with Taiwan.
• 2012 – Chile, Colombia, Mexico and Peru form the Pacific Alliance.
• 2021 – In Peru, the second round of the presidential election is held, in which the left-wing candidate Pedro Castillo and the right-wing candidate Keiko Fujimori reach a statistical tie.