As for Silla, Saroguk changed its name to Silla in the early 6th century ... In 612, the Sui dynasty in China, which unified all of mainland China into one state, attacked Goguryeo, mobilizing more ...

With the unification of the three Kingdoms on the Korean Peninsula in 668, Silla enjoyed a marked expansion of both its territory and population. Unified Silla entered a period of dazzling economic ...