Arakawa River (Kantō) Arakawa River (Kantō) The is a long river that flows through Saitama Prefecture and Tokyo. It originates on Mount Kobushi in Saitama Prefecture, and empties into Tokyo Bay. It has a total catchment area of . The river is one of Tokyo's major sources of tap water, and together with the Tone River, accounts for around 80% of Tokyo's water supply. Attempts to control flooding of the Arakawa River have been made since the area that is now Tokyo became the de facto capital of Japan during the Edo period. Following a major flood in 1910 that damaged a large
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