 Historical events, such as the life of Napoleon, were relayed by the Dutch and were published in contemporary Japanese books.Characteristically, some historical facts could be presented exactly (the imprisonment of Napoleon "in the African island of Saint Helena"), while others could be incorrect (such as the anachronistic depiction of the British guards wearing 16th century cuirasses and weapons.In 1840, the Rangaku scholar Udagawa Yōan reported for the first time in details the findings and theories of Lavoisier in Japan.