Template:On this day - October 30

Jerónimo Grimaldi

• 715 – Babil, Bishop of Pamplona, is tortured and beheaded by Muslims, together with two companions and the children he taught (b. 7th century).
• 1340 – The combined forces of Castile and Portugal decisively defeat the Marinids (the last North African nation that would try to invade the Iberian Peninsula) at the Battle of the Salado.
• 1789 – Death of Jerónimo Grimaldi, Italian-Spanish politician and diplomat in the service of Kings Ferdinand VI and Charles III (b. 1710).
• 1799 – Death of Esteban de Arteaga, Spanish Jesuit, writer, aesthetician and musicologist of Pre-Romanticism (b. 1747).
• 1810 – In New Spain, secessionist forces clash with the royalists at the Battle of Monte de las Cruces.
• 1813 – In Pamplona, the French troops capitulate, bringing the Napoleonic Invasion of Spain to an end.
• 1837 – Death of Francisco de Paula y Marín, Spanish botanist and horticulturist who spent much of his life in Hawaii (b. 1774).
• 1909 – Brazil and Uruguay ratify the Treaty modifying their borders in the Mirim Lagoon and the Yaguarón River, and establishing general principles of trade and navigation in those areas.
• 1912 – Birth of José Ferrater Mora, Spanish philosopher, essayist and writer (d. 1991).
• 1932 – Birth of Reina Torres de Araúz, Panamanian anthropologist and ethnographer (d. 1982).
• 1950 – In Jayuya (Puerto Rico), the Nationalist Revolution declares the Republic of Puerto Rico.
• 1975 – In Spain, Juan Carlos de Borbón assumes the Headship of State on an interim basis because of the illness of Francisco Franco.
• 1983 – The politician Raúl Alfonsín is elected president of Argentina.
• 1991 – In Madrid (Spain), the protocol to the Antarctic Treaty is signed by 30 countries, protecting the area from exploitation for 50 years.
• 2002 – Death of Juan Antonio Bardem, Spanish film director (b. 1922).
• 2004 – Death of David Consuegra, Colombian graphic designer, publisher and illustrator (b. 1939).
• 2007 – In Madrid (Spain), the expansion of the Museo del Prado, the largest the museum has undergone in its almost two centuries of existence, is officially inaugurated.
• 2022 – In Mexico, it is decided to abolish daylight saving time permanently, after 26 years of applying it.