Template:On this day - June 29

Petronilla I of Aragon

• 1136 – Birth of Petronilla, Queen of Aragon and Countess of Barcelona (d. 1173).
• 1236 – The Christian King Ferdinand III of Castile conquers Qurtuba (Córdoba), the caliphal capital of al-Andalus.
• 1398 – Birth of John II the Great, King of Aragon (d. 1479).
• 1520 – Moctezuma Xocoyotzin, huey tlatoani of Tenochtitlan and de facto emperor of the Mexica Empire, dies stoned (b. c. 1466).
• 1576 – Death of Pedro Juan de Lastanosa, Spanish mathematician, cartographer and engineer (b. c. 1500).
• 1666 – Death of Mateo Cerezo, Spanish Baroque painter (b. 1637).
• 1707 – In Spain, King Philip V promulgates the Nueva Planta decrees, which abolish the Fueros of Aragon and of Valencia.
• 1725 – Death of Juan Manuel Fernández Pacheco, Spanish aristocrat, founder of the RAE (b. 1650).
• 1755 – In Spain, the town of Santander receives the title of City.
• 1776 – On San Francisco Bay (Viceroyalty of New Spain, present-day USA), the priest Francisco Palou founds the Mission San Francisco de Asís (present-day city of San Francisco).
• 1855 – In Rivas (Nicaragua) the Nicaraguan Legitimists defeat William Walker's filibusters at the First Battle of Rivas thanks to the schoolteacher Enmanuel Mongalo y Rubio, who burned the house in which the Americans had taken refuge.
• 1856 – In Cuba, Matías Pérez, a Portuguese tailor and awning maker, disappears on a balloon flight.
• 1882 – Birth of Isidro Fabela Alfaro, Mexican politician, lawyer, writer, journalist, historian, linguist, philologist and diplomat (d. 1964).
• 1960 – In Cuba, the socialist Government nationalizes the United States oil company Texaco.
• 1974 – In Buenos Aires, Vice President María Estela Martínez de Perón is named president of Argentina because of the health problems of her husband, Juan Domingo Perón, who will die two days later.
• 1987 – In the Chacarita Cemetery of the City of Buenos Aires, the desecration of the coffin of former Argentine president Juan Domingo Perón is discovered; both hands have been cut off his remains.
• 2005 – UNESCO declares the island of Gran Canaria a «biosphere reserve».
• 2013 – In northeastern Argentina, a storm forces the closure of the Iguazu Falls because of heavy, high floods that covered the Devil's Throat.
• 2020 – Death of Efraín Barquero, Chilean poet and writer (b. 1931).