The Republic of Korea is a racially homogeneous nation for the past 5,000 years. Korea’s first kingdom, Gojoseon (2333 B.C. ~108 B.C.) was established according to humanitarian ideal. Ancient Korean dynasties developed through active trade with other Asian countries. Goguryeo (37 B.C.~ A.D. 668) expanded the territories and its culture throughout the Northeast Asian region for more than 700 years. The Silla Kingdom (57 B.C. ~ A.D. 935) also encouraged overseas trade with Arabians, and the Baekjei Kingdom (18 B.C.~ A.D. 660) spread the Thousand-Character Text and Chinese literature into Japan, contributing to the establishment of the Japanese Asuka culture. Jikji (1377), the first book published using a metal printing method, was founded in the Goryeo era (918~1392) and added to the UNESCO’s Memory of the World Program. King Sejong the Great of the Joseon Dynasty (1392~1910) is one of the most respected leaders in Korea’s history. King Sejong created the Korean Alphabet, contributing to the development of the Korean science and culture. In the 20th century, Korea suffered from the Japanese imperialism rule (1910~1945) and the Korean War (1950~1953), experiencing the social, economic and, political chaos. However, it successfully held the 1988 Seoul Olympics and 2002 Korea/Japan World Cup Games. Korea is also famous for its products such as ships, semi-conductors, cellular phones and steel as well as automobiles. The network system is one of the best in the world, helped by the passionate Korean people, and spares no effort to become the regional and the global gateway.