Riobamba years later away from its original location (near a village named Cajabamba on the plains of San Antonio de Aguíscate). The city still retains much architecture from the Spanish period. In the Ecuadorian War of Independence Riobamba first declared independence on November 11, 1820 but was soon retaken. The city finally became part of an independent Gran Colombia in 1822, and then a separate Republic of Ecuador in 1830. On 20 November 2002, 7 people were killed and hundreds wounded when an explosion in the munitions depot at the Galapagos Brigade arsenal in Riobamba set off a series of blasts.
Constitutional history of Colombia with enough distrust that in November 1829 they decided to separate from Colombia. They let this be known at the convention of January 1829. Bolivar finally resigned his position during the constitutional convention in January 1830 held in Bogotá (also called "the Admirable Congress"); his health was starting to fail. The Inhabitants of Quito, knowing that Venezuela had separated and that Bolivar was retired, decided to separate as well. Thus The Gran Colombia vanished after 11 years of existence. The displeasure of military and liberal groups was accentuated and General Rafael Urdaneta's dictatorship ensued. Finally in December 1830 Simón Bolivar