History of the Ecuadorian–Peruvian territorial dispute 1830 and began its separate existence with the adoption of a Constitution on September 23, 1830. According to this constitution, the Republic of Ecuador was composed of the provinces of Azuay, Guayas and Quito. These provinces later divided into the many provinces that exist today in Ecuador. The term Gran Colombia is used today to refer to the federation that was formed between the Republics of Ecuador, Colombia (with Panama) and Venezuela before 1830. However, "Gran Colombia" is an anachronistic term, as the country was simply referred to as "Colombia", which is clear, for example, by looking at original documentation
Gran Colombia at Angostura) became a new country, the Republic of New Granada. In 1858, New Granada was replaced by the Granadine Confederation. Later in 1863, the Granadine Confederation changed its name officially to the United States of Colombia, and in 1886, adopted its present-day name: the Republic of Colombia. Panama, which voluntarily became part of Gran Colombia in 1821, remained a department of the Republic of Colombia until 1903, when in great part as a consequence of the Thousand Days War of 1899–1902, it became independent under intense American pressure. The United States wanted territorial rights in the future Panama Canal