since the first king, king dongmyeong (), goguryeo had been invaded by several enemies such as the chinese han dynasty, and xianbei. but, by 11th king's reign, goguryeo had succeeded in taking control over liaoong. until the 24th king's period, it had had its golden age, expanding the range of the nation and driving away all the attacks from ouside. the most famous king was king gwanggaeto the great ().