Queen Seondeok of Silla (Korean: 선덕여왕 Korean pronunciation: [sʌn.dʌk jʌ.waŋ]; c. 595~610 – 17 February 647/January 8, Lunar Calendar) reigned as Queen Regnant of Silla, one of the Three Kingdoms of Korea, from 632 to 647. She was Silla's twenty-seventh ruler, and its first reigning queen. She was the second female sovereign in recorded East Asian history and encouraged a renaissance in thought, literature, and the arts in Silla. In Samguksagi, Queen Seondeok was described as "generous, benevolent, wise, and smart".
Source: Wikipedia, "Queen Seondeok of Silla", available under the CC-BY-SA License.