Marchers, 100,000 of them, filled the Plaza Bolivar in the Colombian capital, Bogotá.
President Obama attended the sixth Summit of the Americas over the weekend in Cartagena, Colombia, where he and regional leaders wrestled over a range of politically sensitive issues.
Argos, fifth largest cement producer in Latin America, used paramilitary groups to force farm families off land thereby expediting land transfers.
Colombian workers - mostly female - who cut and ship flowers must endure substandard pay and conditions, reports the AFL-CIO. This holiday would provide an excellent opportunity to show support for them.
"We are working in close conjunction with Justice for Colombia in Great Britain on the political prisoners campaign," says USW Senior Counsel Dan Kovalik.
Colombian students are rejecting a government proposal aimed at privatizing public higher education. Students are demanding an alternative education that's democratic, free, and serves the great majority.
Thousands of palm oil workers are now on a general strike in Colombia.
September 14 was the end of David Ravelo Crispo's first year in jail and a time of renewed solidarity for this human rights activist imprisoned in Colombia.
In Colombia, wholesale murder and impunity go hand in hand.
Class conflict, rural - urban divisions, and impunity for criminals created circumstances putting Obando and other political activists at high risk.