Template:On this day - September 22

Duke of Wellington

• 852 – Death of Abd al-Rahman II, Umayyad emir of Córdoba (present-day Spain).
• 1458 – In Spain, King Henry IV issues a royal provision ordering the demolition of the town of Estepona (Málaga), which on this occasion is not carried out.
• 1554 – Death of Francisco Vázquez de Coronado, Spanish conquistador (b. 1510).
• 1586 – In the province of Guelders (Spanish Netherlands), the Battle of Zutphen begins, in which Spanish troops defeat a combined force of English and Dutch.
• 1609 – In Valencia, the expulsion of the Moriscos is ordered.
• 1629 – Mexico City wakes up flooded after 36 hours of rain. This flood led the viceregal government to decide to build a canal to drain the lake basin of Mexico.
• 1735 – In Córdoba Province (Argentina), Francisco de Baigorri is granted the lands known as Cruz del Eje, on whose territory later settlements formed a city of remarkable growth, given its transformation into an important railway junction of the country a century and a half later.
• 1812 – In Spain, the Cortes of Cádiz confer on the Duke of Wellington the supreme command of the Spanish armies.
• 1829 – In Guayaquil (Ecuador), the peace treaty fixing the boundaries between Colombia and Peru is signed.
• 1866 – In Paraguay (during the invasion of that country by the Triple Alliance of Argentina, Brazil and Uruguay), the Battle of Curupayty is fought, in which some 9,000 Argentines and fewer than 100 Paraguayans die.
• 1867 – In Bogotá (Colombia), the National University of Colombia is founded.
• 1868 – In Puerto Rico, an insurrectionary movement breaks out and is put down by the Spanish army.
• 1910 – In Mexico, to celebrate 100 years of independence, the National University of Mexico, today the National Autonomous University of Mexico, is inaugurated.
• 1972 – In Chile, the socialist President Salvador Allende nationalizes the multinational company ITT.
• 1972 – In Argentina, the deposed president Juan Domingo Perón is barred for the third time since 1955 from the presidential elections.
• 1991 – In Santiago de Chile, Presidents Patricio Aylwin (of Chile) and Carlos Salinas de Gortari (of Mexico) sign a Free Trade Agreement, which opens an economic process without precedent in Ibero-America.
• 2007 – In Peru, former President Alberto Fujimori is transferred from Chile to appear before the Peruvian courts.
• 2011 – In several cities of Chile, such as Santiago and Concepción, thousands of people march once again in protest at the government's refusal to provide free education.