Template:On this day - May 15

Diego Marín Aguilera

• 1091 – Death of Almotacín, last Andalusi king of the Taifa of Almería (present-day Spain) (b. 1037).
• 1252 – Pope Innocent IV issues the bull Ad extirpanda, which legalizes and regulates the use of torture in the inquisitorial process.
• 1303 – The town of Chiclana de la Frontera is founded when King Ferdinand IV of Castile grants the lands of Chiclana to the House of Medina Sidonia (in present-day Spain).
• 1629 – The Battle of Las Cangrejeras is fought, a military clash in the context of the Arauco War waged in the south of the Captaincy General of Chile, which ended in an important victory for the Mapuche.
• 1648 – The Treaty of Münster is signed, by which Spain recognized the independence of the United Provinces of the Netherlands, accepted the Essequibo River as the border with Dutch Guiana, and gave up the Island of Saint Martin. The United Provinces for their part returned to Spain the town of Erkelenz (in present-day Germany).
• 1755 – Spanish settlers establish themselves at Laredo, in the Internal Province of Texas (New Spain).
• 1765 – Birth of Isidro González Velázquez, Spanish architect (d. 1829).
• 1778 – Birth of Isidoro de Antillón, Spanish politician and historian (d. 1814).
• 1793 – Diego Marín Aguilera becomes the first man to make an effective flight with artificial wings, which were eventually burned by his neighbors to stop him from continuing with "his follies".
• 1811 – The May Revolution of 1811 takes place, by which Paraguay becomes independent from Spain.
• 1867 – The Siege of Querétaro ends, bringing the Second Mexican Empire to an end.
• 1896 – The exhibition of the cinematograph takes place in Madrid, which the day before had screened La llegada del tren, the first film in Spain.
• 1903 – Death of Victoriano Lorenzo, leader of the Panamanian peasant army (b. 1867).
• 1911 – In Torreón (Mexico), the Massacre of the Chinese takes place.
• 2009 – In Mexico the creation of the Legal Counsel of the Federal Executive is published in the Diario Oficial de la Federación.
• 2009 – Death of Carlos Castilla del Pino, Spanish neurologist, psychiatrist and writer (b. 1922).
• 2011 – In various parts of Spain the citizens' movement known as 15-M or the Indignados Movement takes place, which under the slogan "Democracia real ya" (Real Democracy Now) demanded a more participatory democracy, greater transparency in public institutions and the right to decent housing, among other measures.
• 2012 – Death of Carlos Fuentes, Mexican writer (b. 1928).