On New Year's Day of 1605 Ieyasu visited Kyoto, followed by by Hidetada in February (the old calendar) with a large force of an estimated about 100,000 and 160,000 retainers including daimyo (Japanese feudal lords) in Ou such as Masamune DATE.
慶長10年（1605年）正月に家康が、つづいて2月(旧暦)に秀忠が伊達政宗ら奥羽の大名を加え10万とも16万ともいわれる大軍を率いて上洛した。