It was eventually absorbed in 2019 by the Fukuoka Financial Group, following a protracted process initiated in 2016.
[1] The 18th National Bank was created in September 1877 in the turbulent context of the Satsuma Rebellion, on the initiative of prominent local merchants including Nagami Denzaburō [ja] and Matsuda Gengorō [ja].
It started in 1882 by issuing bills of exchange and making loans to Nagasaki merchants active in the Korea trade.
[2]: 38 Around the same time, the 102nd National Bank, a small institution that had been founded in 1878 on Tsushima Island, established an office in Busan, followed in 1887 by an operation from the Hirata delivery store in Wonsan which acted from the start as an agent for the 18th National Bank.
[2]: 53-55 In 1890, the 18th National Bank obtained authorization from the Japanese Finance Ministry to establish a first branch of its own in Incheon, which opened on 1 October 1890.[2]: 52 .