ocr: In1525, Spain began the conquest of Colombia, which became its chief source of gold. la 1819 Sim on Bolivar defeats Spanish at Boyaca. Republic of Gran Colombia forme d with Venezuela, Ecuador and Panama. a 1830 Venezuela and Ecuador split away during revolts and civil wars. a 1849 Conservative and Liberal parties established, the former with centralist and the latter with federalist tendencies. la 1861-1886 Liberals hold: monopoly on power. la 1886-1930 Conservative rule. a 1899-1903 Liberal "War of1,000 Days"revolt fails. 120,000 die. la 1903 Panama secedes, but is not recognized by Colombia ...
