Yang Yü (diplomat)
Yang Yü was a diplomat of the Qing dynasty. He was the Chinese ambassador to the United States from 1893-1896 and ambassador to Russia.
Yang signed the Gresham-Yang Treaty in 1894 with Walter Q. Gresham, the US Secretary of State. It is a crucial extension of the Chinese Exclusion Act of 1882 and the direct cause for the 1905 Chinese boycott.