All times in UTC ·
Dashed edge = started before, or continues beyond, this day
Events on Friday 31 March 1854 1
1854Treaty of Kanagawa signedCommodore Perry opens Japan to US tradeThe United States and Japan signed the Treaty of Kanagawa, ending over two centuries of Japanese isolation policy. It was negotiated by Commodore Matthew Perry after his naval squadron pressured the Tokugawa shogunate to open two ports to American ships.