The development of Japan-UK relations has evolved over several centuries, marked by trade, diplomacy, and cultural exchanges. Early interactions began in the 17th century, when English merchants first reached Japan, although formal ties were largely interrupted by Japan's self-imposed isolation during the Edo period. It wasn't until the mid-19th century, following the end of isolationist policies, that bilateral relations flourished, particularly with the signing of the Anglo-Japanese Treaty of Amity and Commerce in 1858...