Template:On this day - May 6

Francis Xavier

• 589 – In Visigothic Hispania the Third Council of Toledo begins, during which the King, Reccared, converts to Catholicism, bringing about the religious unification of Visigoths and Hispano-Romans.
• 822 – In the Emirate of Córdoba (present-day Spain), Al-Hakam I receives the oath of loyalty in favor of his sons Abd al-Rahman and Al-Mugira, designating them heirs in that order.
• 1170 – Death of Lope Díaz I de Haro, Lord of Biscay (present-day Spain) (b. c. 1105).
• 1527 – Rome is sacked by the mutinous Spanish-German troops of Charles V of the Holy Roman Empire, under the command of Duke Charles III of Bourbon.
• 1540 – Death of Juan Luis Vives, Spanish humanist, philosopher, psychologist and educator (b. 1492).
• 1584 – Birth of Diego de Saavedra Fajardo, Spanish writer, politician and diplomat (d. 1648).
• 1536 – The army of the Inca Emperor Manco Inca Yupanqui begins a 10-month siege of Cusco against a garrison of Spanish conquistadors and indigenous auxiliaries, led by Hernando Pizarro.
• 1542 – Saint Francis Xavier arrives in Goa to carry out his evangelizing work, at the request of John III, King of Portugal.
• 1622 – In Hesse (Germany), in the course of the Thirty Years' War, the Battle of Wimpfen takes place, ending in victory for the Spanish-Austrian Army.
• 1660 – The first stone of the Metropolitan Cathedral of Morelia is laid in New Spain (now Mexico).
• 1691 – Caterina Tarongí, a Jewish woman from Majorca tried by the Inquisition, dies at the stake in an auto de fe before some thirty thousand people (b. 1646).
• 1707 – Philip V, by the Ordinance of 6 May 1707, orders the unification of the companies of Halberdiers, formed by the Spanish Guard of Halberdiers, the German Guard of Halberdiers and the Archeros de la Cuchilla, into a single one under the name Guardia de Alabarderos (Guard of Halberdiers).
• 1809 – French troops of the Napoleonic Invasion of Spain begin the siege and massive bombardment of Girona, which held out until 10 December.
• 1809 – Birth of Donoso Cortés, Spanish philosopher, historian, parliamentarian, politician and diplomat (d. 1853).
• 1816 – Simón Bolívar is proclaimed by Juan Bautista Arismendi «Supreme Chief of the Republic of Venezuela and its Armies», during the assembly held on Margarita Island (present-day Venezuela).
• 1873 – Death of José Antonio Páez, general who led La Cosiata, a movement to separate Venezuela from Gran Colombia, and three times president of Venezuela (b. 1790).
• 1908 – In Spain, Vicente Blasco Ibáñez publishes the novel Sangre y arena.
• 1942 – In the Philippines the United States troops who were defending the fortress of Corregidor surrender to the Japanese troops of the Empire of Japan.
• 1950 – In Argentina, the government of Juan Domingo Perón carries out a Census of Illiterates throughout the country.
• 1951 – In Mexico the First Congress of Academies of the Spanish Language, which had begun on 23 April, ends with the creation of the Association of Academies of the Spanish Language.
• 1968 – At Gibraltar, the Franco government closes the border crossing, allowing passage only to Spanish and Gibraltarian workers who obtained a pass from the Military Governor of the Campo de Gibraltar.
• 1984 – In El Salvador, José Napoleón Duarte, presidential candidate of the PDC, wins the presidential election.
• 2017 – Death of Hugh Thomas, British historian and Hispanist (b. 1931).
• 2022 – An explosion occurred at the Hotel Saratoga in Havana (Cuba), leaving 47 dead and more than 70 injured.