Pre-Columbian history of Costa Rica
The pre-Columbian history of Costa Rica extends from the establishment of the first settlers until the arrival of Christopher Columbus to the Americas. Archaeological evidence allows us to date the arrival of the first humans to Costa Rica to between 7000 and 10,000 BC. By the second millennium BC sedentary farming communities already existed.
Source: Wikipedia — Pre-Columbian history of Costa Rica (CC BY-SA 4.0)