In 1659, the Ryōgoku Bridge was built, spanning the Sumida River just upstream of its confluence with the Kanda River. Its name, meaning `two provinces,` came from its joining Edo (the forerunner of Tokyo in Musashi Province) and Shimōsa Province. The neighborhood derived its name from that of the bridge. The Forty-seven Ronin avenged the deat.....
Dominal Province; a Daimyo