Template:On this day - May 22

Sancho IV of Castile

• 1293 – Sancho IV of Castile, as a reward for loyalty to the Crown of Castile in the struggle against the rights of the Infantes de la Cerda, grants abundant favors to towns and councils in the territories of present-day Andalusia (Spain).
• 1652 – The city of Seville (Spain), especially the Barrio de la Feria, rises up because of food shortages and inflation.
• 1764 – In the New Kingdom of Granada (present-day Venezuela) the village of Santo Tomás de la Nueva Guayana de la Angostura del Orinoco is founded.
• 1774 – In the South Atlantic Ocean, the Spaniard Francisco de Orduña and his men take possession of the Malvinas Islands.
• 1776 – In New Orleans the enlightened Spanish governor Luis de Unzaga y Amézaga attends to the first request for aid from the North American Continental Army in pursuit of its Independence.
• 1809 – In Spain, during the Napoleonic Invasion of Spain, the full Supreme Central Junta announces in Seville the forthcoming meeting of the Cortes.
• 1810 – The open cabildo of Buenos Aires decides on the removal of viceroy Baltasar Hidalgo de Cisneros and the formation of a Governing Junta.
• 1821 – In Mexico, forces of the Army of the Three Guarantees take the city of Valladolid (today Morelia).
• 1863 – The Federal War of Venezuela ends thanks to the Treaty of Coche.
• 1895 – Death of Isaac Peral, Spanish naval officer and inventor (b. 1851).
• 1896 – The Spanish Government rejects the mediation of the U.S. to end the war in Cuba.
• 1931 – In Spain religious freedom is proclaimed by means of the Spanish Constitution of 1931.
• 1938 – During the Spanish Civil War, the escape from Fort San Cristóbal, in Pamplona takes place, one of the largest and bloodiest in the history of prison breaks.
• 1960 – The largest earthquake ever recorded occurs, known as the Great Chilean Earthquake, with nearly two thousand victims.
• 1979 – In Buenos Aires, the Videla dictatorship closes the IME factory (Industrias Mecánicas del Estado, created in 1951).
• 1984 – The Atlantis Expedition, undertaken by five Argentines, sets sail from Tenerife (Spain) to prove that 3,500 years before Christopher Columbus, African navigators could have reached the coasts of America by accident, carried by specific ocean currents.
• 1985 – UNESCO awards the Simón Bolívar Prize to the Contadora Group, for its mediation in the El Salvador crisis.
• 2004 – In Madrid (Spain), the Prince of Asturias Felipe de Borbón y Grecia, now King of Spain, marries Letizia Ortiz Rocasolano. The wedding was considered a state wedding, the first in Spain in more than 50 years.
• 2019 – Death of Eduardo Punset, Spanish writer, politician, science communicator, television presenter and economist (b. 1936).