Simón Bolívar died on December 17.[6] After the dissolution of the union, Panama was part of the Republic of Colombia until its final separation on November 3, 1903. This was caused by Colombia's rejection of Hay–Herrán Treaty, the crisis of Panama following the Thousand Days' War and strategic intervention United States on isthmus. Also in that country, Bolívar specified about the Amphictyonic Congress, which in 1826 he sought to create a confederation of American countries in defense of the continent against the League of the Holy Alliance, by forming an army of 60,000 soldiers with proportional quotas to defend themselves from Spain.