In 1872, 15 neighboring villages applied for governmentalization (nationalization) of Naganuma to Inba Prefecture, and it was confirmed at the prefecture's own discretion, without asking the opinions of Naganuma village.
明治5年、周辺の15村が印旛県へ長沼の官有地（国有地）化を申請し、長沼村の意見は聞かず、県の独断で了承してしまう。