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Columbia gains its independence from Spain
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Colombia adopts a constitution which abolishes slavery
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The war of a thousand days was between liberals and conservatives
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Panama seceded from Colombia with US backing and allows US control over the land now known as the Panama Canal zone
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The USA paid Colombia $25 million for the loss of Panama
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Colombia helped the USA to keep the Panama Canal open during World War 2
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USA began to supply the Colombian government with military equipment to help rid Colombia of drug dealers
