Ethnic groups Chamorro 37.3% Filipino 26.3% Mixed 9.5% White 7.1% Chuukese 7% Korean 2.2% Other Pacific Islander 2% Other Asian 2% Chinese 1.6% Palauan 1.6% Japanese 1.5% Pohnpeian 1.4% Other 0.6% Guam is known to be the first island in the Pacific Ocean to be colonized by Europeans, discovered by the Spaniards in 1521. After Guam was discovered by Ferdinand Magellan under the flag of Spain, the island was repeatedly invaded by alien military forces. The island was officially claimed by Spain in 1565. It was the first island as well as the Mariana Islands, inhabited by humans in Remote Oceania. Guam has since been occupied by outside entities for over 330 years.
Ethnic groups Chamorro 37.3% Filipino 26.3% Mixed 9.5% White 7.1% Chuukese? 7% Korean 2.2% Other Pacific Islander 2% Other Asian 2% Chinese 1.6% Pa.lauan 1.6% Japanese 1.5% Pohnpeian 1.4% Other 0.6% Guam is known to be the first island in the Pacific Ocean to be colonized by Europeans, discovered by the Spaniards in 1521. After Guam was discovered by Ferdinand Magellan under the flag of Spain, the island was repeatedly invaded by alien military forces. The island was officially claimed by Spain in 1565. It was t!he first island as well as the Mariana Islands, inhabited by humans in Remote Oceania. Guam has since been occupied by outside entities for over, 330 years.