1778 European navigator Cook first discovered the Hawaiian Islands. 1795, Hawaiian Chief Kamehameha unified the whole Hawaiian Islands and called himself King Kamehameha I of Hawaii. At this time, the European navigator Cook just landed in Oahu, Hawaii. 18 18 Kamehameha I painted the flag of the kingdom of Hawaii as a British-style flag because he envied the pattern of the British flag, which is also the origin of the Hawaiian flag today. 18 19 Kamehameha I died and Kamehameha II ascended the throne. 1840, the Hawaiian government changed the original kingdom system into a constitutional monarchy. 1843, the British government publicly declared that Britain has sovereignty over Hawaii. 1849, the French government claimed to have occupied Hawaii and owned part of its sovereignty, but this claim caused dissatisfaction among Hawaiian residents at that time. 1893 American Christian missionaries led all the congregation and overthrew the kingdom of Hawaii. The provisional government of the Republic of Hawaii was established. The first and last queen of Hawaii was forced to abdicate, and Du Heng was appointed as the first president of the provisional government of the Republic of Hawaii. 1898 The United States formally merged with Hawaii. 194 1 65438+On February 7th, the Japanese naval air force attacked Pearl Harbor, the base of the US Pacific Fleet in Hawaii. Hawaii officially became the 50th state of the United States.

Hawaii Island is the largest of the Hawaiian Islands in the North Pacific Ocean and a part of Hawaii in the United States. Area 10458 km2. Population 148677(2000). Saddle-shaped Many volcanoes. There is Mauna Loa volcano in the south, with an altitude of 4176m, and Monacchia volcano in the north, with an altitude of 4,205m. Mauna Loa volcano is one of the most famous active volcanoes in the world, with a diameter of 5 kilometers and frequent lava ejection.