:For the area code see Area code 718 Events By Place Europe Tervel's reign as monarch of Bulgaria ends. Saint Boniface sets out for Frisia a second time. Asia Emperor Leo III and Khan Tervel defeat Arab forces besieging Constantinople, stopping a large Arab incursion towards Europe. The world's oldest hotel, Houshi Onsen, is founded in Ishikawa-ken, Japan. Births Empress Kōken (also Empress Shōtoku) of Japan (d. 770) Deaths… (More on 718)