후고구려
['한반도에 있던 나라. 궁예가 901년에 송도를 수도로 하여 세웠으며 후백제, 신라와 함께 후삼국을 이루었다가 918년에 고려에 멸망하였다.']
['later Goguryeo: An ancient country on the Korean Peninsula, established in 901 by Gung Ye with its capital at Songdo; it formed the Later Three Kingdoms along with the Hubaekje, Later Baekje, and Silla Kingdom and  was subsequently brought down by the Goryeo Dynasty in 918.']
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