•
1804 (
Bunka 1):
Daigaku-no-kami Hayashi Jussai (1768–1841) explained the shogunate foreign policy to Emperor Kōkaku in Kyoto. •
June 1805 (
Bunka 2): Genpaku Sugita (1733–1817) is granted an audience with Shōgun Ienari to explain differences between traditional medical knowledge and Western medical knowledge. •
September 25, 1810 (
Bunka 7, 27th day of the 8th month): Earthquake in northern Honshū (Latitude: 39.900/Longitude: 139.900), 6.6 magnitude on the
Surface wave magnitude scale....Click link for NOAA/Japan: Significant Earthquake Database •
December 7, 1812 (
Bunka 9, 4th day of the 11th month): Earthquake in Honshū (Latitude: 35.400/Longitude: 139.600), 6.6 magnitude. ==Notes==