Hawaii is the only state in the United States of America that once had its own kings and queens. From 1795 until 1895 Hawaii was a monarchy.Kamehameha I Kamehameha I (c. 1758–May 8, 1819) - United all the Hawaiian Islands together to form the Kingdom of Hawaii in 1810. Kamehameha II (Liholiho) (c. 1797 – July 14, 1824) - He was the second king of the Kingdom of Hawaii. Kamehameha III (Kauikeaouli) (1813 – December 15, 1854) - He was the King of Hawaii from 1825 to 1854. Kamehameha IV (Alexander Liholiho) (1834–1863) - Reigned as the fourth monarch of Hawaii. Kamehameha V (Lot Kapuāiwa ) (1830–1872) - Reigned as monarch of the Kingdom of Hawaiʻi from 1863 to 1872. William Lunalilo (William Charles Lunalilo) (January 31, 1835 – February 3, 1874) - He was King of the Hawaiʻi from January 8, 1873 until February 3, 1874. Hawaii's first elected monarch who was king of the whole kingdom. David Kalakaua - The Merrie Monarch, was the last king of the Kingdom of Hawaii Helen Lydia Kamakaʻeha Liliʻuokalani Kawānanakoa (1905–1969) - Was a member of the House of Kawānanakoa and the second daughter of Prince David Kawānanakoa. Known by many in the Hawaiian community as Princess Liliuokalani, although she never officially held such a title.
Kamehameha I (c. 1736? – May 8 or 14, 1819) was a Hawaiian king also known as Kamehameha the Great. He conquered most of the Hawaiian Islands, and formally establishing the Kingdom of Hawaiʻi in 1810.