Panama breaks away from Spanish rule and joins Gran Colombia.
Gran Colombia dissolves, and Panama becomes part of the Republic of Colombia.
With U.S. backing, Panama secedes from Colombia.
The Panama Canal is completed by the United States Army Corps of Engineers.
Treaties signed to transfer control of the Panama Canal to Panama by 1999.
The surrounding territory of the Panama Canal is returned to Panama.
The United States officially hands control of the Panama Canal to Panama.
The expansion project of the Panama Canal is completed, doubling its capacity.