What is the name of the Korean official language?
Hangul
What was Korea's first kingdom?
Old Chosun
How long did Old Chosun rule?
22 centuries
Which of 3 kingdoms (Koguryo, Paekche, and Silla) with the help of Chinese troops, won control of the country?
Silla
How long did the Choson Dynasty rule?
until 1910
