Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of sixteen Non-Self-Governing Territories by the Special Committee on Decolonization of the United Nations. The island's capital is Hagta (formerly Agaa). Guam is the largest and southernmost of the Mariana Islands. The Chamorros, Guam's indigenous people, first populated the island approximately 4,000 years ago. The island has a long history of European colonialism, beginning with its discovery by Ferdinand Magellan during a Spanish expedition on March 6, 1521. The first colony was established in 1668 by Spain with the arrival of settlers including Padre San Vitores, a Catholic missionary. For more than two centuries Guam was an important stopover for the Spanish Manila Galleons that crossed the Pacific annually.
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