Sumida, Tokyo International schools: Sumida maintains sister-city relationships with Seodaemun-gu, Seoul, South Korea, and with Shijingshan District, Beijing, China. Sumida, Tokyo , literally "Ink Field", is a special ward located in Tokyo Metropolis, Japan. The English translation of its Japanese self-designation is Sumida City. As of May 1, 2015, the ward has an estimated population of 257,300, and a population density of 18,690 persons per km². The total area is 13.77 km². Sumida is in the northeastern part of the mainland portion of Tokyo. The Sumida and Arakawa are the major rivers, and form parts of its boundaries. Its neighbors are all
Battle of Two Rivers Battle of Two Rivers The Battle of Two Rivers was fought between the Picts and Northumbrians in the year 671. The exact battle site is unknown. It marked the end of the Pictish rebellion early in the reign of Ecgfrith, with a decisive victory to the Northumbrians. Attestation of the battle is limited to the account in Stephen of Ripon's "Vita Sancti Wilfrithi". During the 7th century, the Northumbrians gradually extended their territory to the north. The Annals of Tigernach record a siege of "Etain" in 638, which has been interpreted as Northumbria's conquest of Din Eidyn (Edinburgh) during the