Template:On this day - December 6

Baltasar Gracián

• 1196 – On the edge of the old Way of Saint James (present-day Province of Palencia, Spain), Tello Pérez de Meneses founds the Hospital of Villamartín and donates it to the Order of Santiago.
• 1248 – Prince Alfonso the Wise of Castile officially enters the city of Alicante, after the conquest of its castle two days earlier.
• 1285 – Birth of Ferdinand IV, King of Castile and León (d. 1312).
• 1534 – In Ecuador, the Spanish conquistadors rename the indigenous village of Quitu as San Francisco de Quito (today capital of the Republic).
• 1558 – Death of Juan de Celaya, Spanish mathematician, physicist, cosmologist, theologian and philosopher (b. 1490).
• 1658 – Death of Baltasar Gracián, Spanish writer and philosopher of the Golden Age.
• 1863 – The Battle of Cuaspud is fought between the military forces of the Republic of Ecuador (García Moreno era) and the United States of Colombia (present-day Republic of Colombia).
• 1914 – In Mexico City, the troops of Pancho Villa and Emiliano Zapata occupy the National Palace.
• 1928 – In Ciénaga, near Santa Marta, on the Caribbean coast of Colombia, between 5 December and 6 December, the Government of Miguel Abadía Méndez orders the massacre of 1,800 striking workers of the American company United Fruit Company.
• 1978 – In Spain, the Spanish Constitution of 1978 is approved in a referendum.
• 1989 – In Bogotá, Colombia, the DAS building (Colombian intelligence) is destroyed in a terrorist attack by a truck loaded with 500 kilograms of explosives: 103 people die and another 600 are injured. The act is attributed to Pablo Escobar, leader of the Medellín Cartel.
• 1998 – In Venezuela, Hugo Chávez wins the presidential elections.