Uruguay becomes the first country to legalize the growth, sale, and use of marijuana.
Violent storms cause floods across Uruguay with seven people killed and more than 2,000 left homeless. Four of those were killed by a tornado that struck Dolores. Four million people in the Chilean capital of Santiago were left without tap water as heavy rains triggered landslides. This led to the fouling of the city's water supply.
The Obama administration orders the transfer of six prisoners from Guantanamo Bay detention camp to Uruguay, the largest single group of detainees to be released in five years and the first to be resettled in South America.