(Frontier Dragoons) cavalry squadron under colonel Francisco López claimed victory for the independence forces on 22 February. At this point, the majority of royalist troops of Upper Peru refused to continue fighting against Sucre's powerful army. Colonel Medinacelli with 300 soldiers also revolted against Olañeta, and on 2 April 1825 they faced each other in the Battle of Tumusla, which ended with the death of Olañeta. A few days later, on 7 April, general José María Valdez surrendered in Chequelte to general José María Pérez de Urdininea, putting an end to the war in Upper Peru and signalling victory to the local independence movement, which had been active since 1811. Bolivian Declaration of Independence Sucre reconvened the constituent assembly in Chuquisaca on 8 July 1825; it declared the complete independence of Upper Peru, as a republic. Assembly president José Mariano Serrano, together with a commission, wrote the "Independence Act of the Upper Peruvian Departments" dated 6 August 1825, in honor of the Battle of Junín won by Bolivar. Independence was declared by seven representatives from Charcas, 14 from Potosí, 12 from La Paz, 13 from Cochabamba and two from Santa Cruz. The Declaration of Independence, written by the president of the Congress, Serrano, states in its expositive part: The origin of the name of Bolivia Through a decree it was determined that the new state in Upper Peru would carry the name of República Bolívar, in honor of the liberator, who was designated as "Father of the Republic and Supreme Chief of State". Bolívar thanked them, but declined the presidency, a duty he gave instead to the victor of Ayacucho, Grand Marshal Antonio José de Sucre, who was sworn in the same day as first President of Bolivia. After some time, the subject of the name of the young nation arose again, and a Potosian deputy named Manuel Martín Cruz suggested as Rome came from Romulus, from Bolivia could come from Bolívar. Bolívar felt flattered by the young nation, but he hadn't accepted Upper Peru's presidency because he was worried about its future, due to its location in the very center of South America and therefore would face many future wars, which curiously did happen. Bolivar wished that Bolivia would become part of another nation, preferably Peru (given that it had been part of Viceroyalty of Perú for centuries), or Argentina (since during the last decades of colonial dominion it