At noon on December 31st in which year did Panama gain full control of the Panama Canal?
Panama Canal Torrijos–Carter Treaties. On September 7, 1977, the treaty was signed by President of the United States Jimmy Carter and Omar Torrijos, "de facto" leader of Panama. This mobilized the process of granting the Panamanians free control of the canal so long as Panama signed a treaty guaranteeing the permanent neutrality of the canal. The treaty led to full Panamanian control effective at noon on December 31, 1999, and the Panama Canal Authority (ACP) assumed command of the waterway. The Panama Canal remains one of the chief revenue sources for Panama. Before this handover, the government of Panama held an international
Panama Canal Zone Panama. Bunau-Varilla was initially the Panamanian representative in the United States, though he was about to be displaced by actual Panamanians, and hastily negotiated a treaty, giving the United States a zone wide and full authority to pass laws to govern that zone. The Panama Canal Zone (Canal Zone, or Zone) excluded Panama City and Colón, but included four offshore islands, and permitted the United States to add to the zone any additional lands needed to carry on canal operations. The Panamanians were minded to disavow the treaty, but Bunau-Varilla told the new government that if Panama did not agree,