The Surrender of Edo-jo Castle was executed during the ending of the Edo period (the final phase of the Tokugawa shogunate), occurring over the months of March to April in 1868; Takamori SAIGO, a representative of the new Meiji government, and Kaishu KATSU, a representative of the former Tokugawa shogunate troops; together strategically negotiated a peaceful resolution to the surrender of Edo-jo Castle; this peacefully negotiated transfer was to become historically known as, The Bloodless Surrender of Edo-jo Castle.
江戸開城（えどかいじょう）とは、江戸時代末期（幕末）の慶応4年（1868年）3月から4月（旧暦）にかけて、明治新政府軍の代表西郷隆盛と旧江戸幕府軍（徳川家）の代表勝海舟らの交渉により、江戸城の無血開城がもたらされたことをいう。