Template:On this day - April 1

Domingo Badía y Leblich

• 1256 – Alfonso X, "the Wise", is proclaimed Holy Roman Emperor by Arnold of Isenburg, Archbishop of Trier. This designation had no effect because of the opposition of the other imperial electors.
• 1520 – In Spain, the Comuneros occupy the Alcázar of Madrid during the War of the Communities, causing great damage.
• 1528 – Death of Francisco de Peñalosa, Spanish polyphonist (b. 1470).
• 1545 – In Potosí (present-day Bolivia), Juan Villarroel registers the find of silver deposits in the so-called Cerro Rico, which had been discovered by Diego Huallpa.
• 1572 – A fleet of Dutch pirates expelled from England, known as the Sea Beggars, take without resistance the town of Brielle.
• 1580 – Death of Alonso Mudarra, Spanish vihuelist and composer (b. 1510).
• 1721 – Construction of the Palace of La Granja begins in Segovia (Spain), together with the works of laying out and designing the gardens.
• 1759 – Birth of José Bustamante, Spanish naval officer, governor of Montevideo (Uruguay), Captain General of Guatemala and Knight of the Order of Santiago (d. 1825).
• 1767 – Birth of Domingo Badía y Leblich, Spanish soldier, spy, Arabist and adventurer, also known as Ali Bey el-Abbassi (d. 1818).
• 1767 – The French King Louis XV orders the French settled in the Malvinas to leave the archipelago.
• 1801 – In Buenos Aires (Viceroyalty of the Río de la Plata), the Telégrafo Mercantil, Rural, Político, Económico e Historiográfico appears, considered the birth of Rioplatense journalism.
• 1813 – In Santiago, the last issue of the Aurora de Chile is published; it becomes El Monitor Araucano.
• 1825 – At Tumusla, Potosí (present-day Bolivia), the last battle of Upper Peru is fought, commanded by Carlos Medinaceli Lizarazu, in which the royalist Pedro Antonio Olañeta dies.
• 1829 – In Mexico, General Vicente Guerrero takes office as president of the republic.
• 1833 – In Mexico, General Antonio López de Santa Anna sets himself up as president of the republic.
• 1862 – Spain and England break their alliance with France.
• 1863 – On Canuda street in Barcelona, the Little Sisters of the Poor open their first house.
• 1864 – Signing of the Secret Treaty of the Triple Alliance between Argentina, Brazil and Uruguay to annihilate Paraguay, with the excuse of overthrowing the "tyrant" Francisco Solano López.
• 1872 – Death of Manuel Rivadeneyra, Spanish publisher and printer (b. 1805).
• 1894 – In Madrid (Spain), the current building of the Royal Spanish Academy is inaugurated.
• 1909 – In Caracas (Venezuela), the first edition of the daily El Universal circulates.
• 1939 – In Burgos, Francisco Franco signs the last communiqué of the Spanish Civil War, declaring the conflict over.
• 1940 – In San Lorenzo de El Escorial (Madrid), General Franco presides over the symbolic inauguration of the Monument to the Fallen.
• 1954 – In Mexico, the 5-peso silver coins are withdrawn, because after the devaluation the value of the metal exceeded the coin's exchange value.
• 1967 – Bolivia asks Argentina for military aid in the fight against the Ñancahuazú Guerrilla led by "Che" Guevara.
• 1971 – The United States hands over to Spain the ownership of the Rota–Zaragoza pipeline.
• 1985 – In El Salvador, José Napoleón Duarte wins the general elections.
• 2004 – In Buenos Aires, more than 150,000 people demonstrate in rejection of the murder of the young Axel Blumberg, in the largest Argentine demonstration since the return of democracy in 1983.
• 2017 – In Colombia, an avalanche of stone and mud sweeps away entire neighborhoods in Mocoa, capital of Putumayo, with an official toll of 320 dead.
• 2018 – Death of Efraín Ríos Montt, Guatemalan politician and soldier, dictator of Guatemala between 1982 and 1983 (b. 1926).
• 2019 – Death of Rafael Sánchez Ferlosio, Spanish novelist, essayist, grammarian and linguist (b. 1927).