The Treaty of Wanghia (also Treaty of Wangxia, Treaty of Peace, Amity, and Commerce, with tariff of duties, traditional Chinese: simplified Chinese,pinyin Cantonese Yale: Mohng Hah) was a diplomatic agreement between Qing-dynasty China and the United States, signed on July 3, 1844 in the Kun Iam Temple. Its official title name is the Treaty of peace, amity, and commerce, between the United States of America and the Chinese Empire. Following passage by the U.S. Congress, it was ratified by President John Tyler on January 17, 1845.
