History of Dangsan StationDangsan Station is a transfer station for Seoul Subway Lines 2 and 9,located in Dangsan-dong, Yeongdeungpo-gu, Seoul.Since its opening in 1984, the station has undergone several changes, evolving into a key transfer point in the city's subway network.1. Opening and Early History (1984)On May 22, 1984, Seoul Subway Line 2 was inaugurated, including Dangsan Station, as pa..