Template:On this day - May 27

Ordoño I of Asturias

• 866 – Death of Ordoño I, King of Asturias (present-day Spain), the first to accede to the throne by inheritance rather than by election by the nobility (b. 821).
• 1517 – From Santo Domingo (Hispaniola), several Dominican and Franciscan friars, headed by Fray Pedro de Córdoba, write the Latin Letter to the Monarchs of Spain, in defense of the indigenous peoples of America.
• 1695 – Birth of Miguel Cabrera, Novohispanic painter, one of the greatest exponents of Baroque painting of the Viceroyalty of New Spain (d. 1768).
• 1763 – Birth of Juan Germán Roscio, Neogranadine lawyer, journalist, writer and politician (d. 1821).
• 1812 – Near the city of Cochabamba in present-day Bolivia, the Heroines of La Coronilla confront the Royalist Army under the command of the Peruvian general José Manuel de Goyeneche (disregarding husbands, fathers and sons, who preferred to negotiate), and succumb after 2 hours of combat.
• 1855 – Birth of Augusto Miranda y Godoy, Spanish military officer, politician and writer (d. 1920).
• 1867 – In Madrid (Spain), Queen Isabella II grants the town of Sancti Spíritus in Cuba (starting point of the Spanish conquest of Yucatán) the title of «city».
• 1930 – Death of Gabriel Miró, Spanish writer of the so-called Generation of '14 or Novecentismo (b. 1879).
• 1877 – Death of Pedro Mata, Spanish physician, journalist, writer and politician (b. 1811).
• 1964 – In Colombia, Manuel Marulanda Vélez founds the FARC, an extreme-left insurgent guerrilla and terrorist organization based on the ideology and principles of Marxism–Leninism.
• 1976 – In Buenos Aires, the Argentine civic-military dictatorship «disappears» (murders without a trace) Raymundo Gleyzer, 34-year-old Argentine film director, critic and journalist.
• 1990 – César Gaviria is elected as the new President of Colombia.
• 2004 – In the Dominican Republic 410 people die, swept away by the overflowing of the Soleil River.
• 2022 – Death of Juan José Mosalini, Argentine musician and composer (b. 1943).
• 2024 – Death of Francesco Petrozzi, Peruvian lyric tenor and politician (b. 1961).