"19 wounded" . "British:" . "China" . "2 killed" . "Franco-British victory" . . "14 wounded" . . . . "United Kingdom" . . "attacked Qing troops in the area" . "Qing China" . . . "20,000\u201330,000" . . "French:" . "at the battle of Zhangjiawan" . . . "4,000" . . . "1 killed" . "1860-09-18" . . . "CHANG-KIA-WAN" . "Battle of Zhangjiawan" . . . . "Battle of Zhangjiawan" . "Qing dynasty" .