The Battle of Calidonia Bridge (Spanish: Batalla del Puente de Calidonia) took place from 24 to 26 July 1900 in Calidonia, Panama, within the context of the Thousand Days' War. It ended with a bloody defeat at the hands of the conservatives. It followed the Battle of Corozal on 21 June 1900, where the liberal forces won an important victory over the Conservative army under General Carlos Albán, who had no choice but to retreat to the city of Panama. After the victory, the liberal army, under General , aimed to capture the remaining bastion of conservative forces in the isthmus. Instead of making a final attack, Herrera initially offered his surrender to Albán, who refused. This hesitation on the part of Herrera gave time to Albán and his men to prepare their defenses. Trenches were built,