 Icarus affair

The was an incident involving the murder of two Royal Navy sailors in Nagasaki, Japan, in 1867, leading to increased diplomatic tensions between the United Kingdom and the Bakumatsu period Tokugawa shogunate.On August 5 Robert Ford and John Hutchings, from the British screw sloop HMS "Icarus", were killed by an unknown swordsman in the Marayuma entertainment precinct of Nagasaki, which had been opened to trade and port calls by British ships since the Anglo-Japanese Treaty of Amity and Commerce of 1858.