Joseph Heco was the first Japanese person to be naturalized as a United States citizen and the first to publish a Japanese language newspaper.

The foreign cemeteries in Japan are chiefly located in Tokyo and at the former treaty ports of Kobe, Hakodate, Nagasaki, and Yokohama. They contain the mortal remains of long-term Japan residents or other foreigners who died in Japan, and are separate from any of the military cemeteries.