 The coup d'état attempt, with Japanese support, began on December 4, 1884, with seizure the royal palace in Seoul and the killing of several members of the pro-Chinese conservative faction.However, the coup was eventually suppressed by a Chinese garrison stationed in the country, thwarted by the Chinese actions some of the pro-Japanese faction leaders found exile in Japan.The event led to informal Chinese domination of Korea from 1885–1894.