Q:Information: - The Gyeongbu Line ("Gyeongbuseon") is the most important railway line in South Korea and one of the oldest. Constructed in 1905, connecting Seoul to Suwon, Daejeon, Daegu, and Busan. The Gyeongbu Line is by far the most heavily travelled rail line in South Korea. High-speed, express, local, and freight trains provide frequent service along its entire length. - Incheon (formerly romanized as Inchon; literally "kind river"), officially the Incheon Metropolitan City(), is a city located in northwestern South Korea, bordering Seoul and Gyeonggi to the east. Inhabited since the New Stone Age, Incheon was home to just 4,700 people when it became an international port in 1883. Today, about 3 million people live in the city, making it Koreas third most populous city after Seoul and Busan. The city's growth has been assured in modern times with the development of its port due to its natural advantages as a coastal city and its proximity to the South Korean capital. It is part of the Seoul Capital Area, along with Seoul itself and Gyeonggi Province, forming the world's second largest metropolitan area by population. - Daegu Metro Line 1 was, until mid-2005, the only rapid transit line in the South Korean city of Daegu. It is operated by the Daegu Metropolitan Transit Corporation. Line color is maroon. - Daegu, (, , literally 'large hill') formerly spelled Taegu, and officially known as the Daegu Metropolitan City, is a city in South Korea, the fourth largest after Seoul, Busan, and Incheon, and the third largest metropolitan area in the nation with over 2.5 million residents. Daegu is the principal city of the surrounding North Gyeongsang Province. The two areas combined are often referred to as Daegu-Gyeongbuk, with a total population of over 5 million. - North Gyeongsang Province (RR: Gyeongsangbuk-do), also known as Gyeongbuk, is a province in eastern South Korea. The province was formed in 1896 from the northern half of the former Gyeongsang province, remained a province of Korea until the country's division in 1945, then became part of South Korea. - Daegu Station is a station on Gyeongbu Line and Daegu Metro Line 1 in Chilseong - dong , Buk District , Daegu , South Korea . - Busan;, officially Busan Metropolitan City(), romanized as Pusan before 2000, is South Korea's second most-populous city after Seoul, with a population of approximately 3.6 million. The population of the metropolitan area, including the adjacent cities of Gimhae and Yangsan, is approximately 4.6 million. The city is located on the southeastern-most tip of the Korean peninsula. - Daejeon is South Korea's fifth-largest metropolis. Daejeon had a population of over 1.5 million in 2010. Located in the center of South Korea, Daejeon serves as a hub of transportation and is at the crossroads of major transport routes. The capital Seoul is about 50 minutes away by high-speed train. What is the relationship between 'daegu station' and '1905'?
A:
date of official opening