History of the Ecuadorian–Peruvian territorial dispute nature, but was meant only for ecclesiastical and military jurisdiction. During the first 10 years of independence, Gran Colombia, under the leadership of Simon Bolivar, had continually protested Peru's occupation of Tumbes and Jaen; Maynas had not been militarily occupied yet. Peru ignored Simon Bolivars ultimatum to return Tumbes and Jaen or face war. Bolivar then declared war and Peru responded by successfully invading and occupying southern Ecuador with a force of 8,000 soldiers. Simon Bolivar sent Jose Antonio de Sucre to Ecuador who lead 4,000 Gran Colombian soldiers that defeated the Peruvian invaders in the Battle of Tarqui in
Fifth Republic Movement Angostura, but shortly thereafter the Congress declared Venezuela to be part of a larger Gran Colombia. Gran Colombia lasted only a decade and at its dissolution Venezuela became once again the "Republic of Venezuela," which is considered the start of the Fourth Republic. In 1864 the country was then restructured into the "United States of Venezuela", before reverting once again to the name, "Republic of Venezuela" in 1953. Although both periods began with the implementation of new constitutions (the fourth and twenty-fourth constitutions, respectively), both have been deemed by Venezuelan historiography as a continuation of the Fourth Republic. Since Chávez's