Colombia announces its withdrawal from the Union of South American Nations after having suspended its membership in the organization since April 2018.
With the previous Colombia census thirteen years ago, the National Administrative Department of Statistics registered 45.5 million Colombians and legal foreign residents living in the country. This latest census reveals that there are five million fewer people in Colombia than previously estimated.
Floods across South America: Panama experiences its heaviest ever rains, with the Panama Canal shut for the first time due to weather. Millions of people are affected across the region, and there are deaths, including in Colombia and Venezuela.
Venezuela and Colombia re-establish diplomatic relations after a meeting between recently inaugurated President of Colombia Juan Manuel Santos and Venezuelan President Hugo Chávez in Santa Marta, Colombia, mediated by UNASUR Secretary General Néstor Kirchner.