King Kamehameha was the first ruler to unite the Hawaiian Islands into one kingdom in the late 18th century. Born around 1758, he is known for his military prowess and strategic alliances, which helped him consolidate power. His reign began in 1810, and he is often celebrated for his efforts to preserve Hawaiian culture and traditions. Kamehameha's legacy includes the establishment of the Kamehameha Schools, which provide education to Native Hawaiian children. He is also remembered for the Kamehameha Day holiday, celebrated annually on June 11, honoring his contributions to Hawaii's history and culture.