ここを読んでて「あっ！！！！＞＜」ってなった＞＜

"On April 5, 1954 - The village of Matsugasakihama (from Kitakanbara District) was amalgamated into the city of Niigata."

Niigata (city) - Wikipedia https://en.wikipedia.org/wiki/Niigata_(city)