Chojijin Fortress is located in the city of Incheon in South Korea. It was built in the seventh year of King Hyojong in 1656 for the purpose of national defense against the attack of any foreign enemies on the seashore. Here, many battles took place throughout history, including the invasion of the French ( due to Catholic oppression) in October 1866, and the main purpose at present of these historical relics is to recall the suffering and suffering of the ancestors of the Korean people in defensive history, so now the cannons of those days are now displayed for educational use and to raise the patriotic spirit and defense spirit of the Korean people, it is nice to visit This fort is to learn about the culture and history of the Korean people and the history of their struggle in battles in the past.