Definitions for "Abe Masahiro"
Abe Masahiro (阿部正弘)(1819-1857) was the chief senior councillor (rōjū) in the Japanese government at the time of the arrival of Commodore Matthew Perry. Against the shogun's wishes, and the wishes of many other government officials, he worked to open Japan to the West, signing the Convention of Kanagawa in 1854, and other unequal treaties shortly afterwards.