Perry Expedition http://en.wikipedia.org/wiki/Perry_Expedition expedition of Commodore Matthew Perry Perry Expedition expedition of Commodore Matthew Perry expedition of Commodore Matthew Perry expedition of Commodore Matthew Perry expedition of Commodore Matthew Perry involuntarily opened English involuntarily opened expedition of Commodore Matthew Perry involuntarily opened English expedition of Commodore Matthew Perry expedition of Commodore Matthew Perry expedition of Commodore Matthew Perry involuntarily opened Admiral Perry's forcible opening of Japan to trade