Territorial evolution of the Caribbean the Viceroyalty of New Granada and the Captaincy General of Venezuela became the Republic of Gran Colombia organized as a federation of Ecuador, today's Colombia and Venezuela (Panama was part of Colombia). The official name of the country at the time was the Republic of Colombia. Historians adopted the term "Gran Colombia" to distinguish this republic from the present-day Republic of Colombia, which began using the same name in 1863. Spanish Haiti's independence was short-lived, as Haitian forces, led by Jean Pierre Boyer, invaded and took control of the country just nine weeks later in February 1822. After a brief
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