Bunka (文化) was a Japanese era name (年号,nengō, "year name") after Kyōwa and before Bunsei. The period spanned the years from January 1804 to April 1818. The reigning emperors were Kōkaku-tennō (光格天皇) and Ninkō-Tennō (仁孝天皇).
February 11, 1804 (Bunka gannen (文化元年)): The new era name of Bunka ( meaning "Culture" or "Civilization") was created to mark the start of a new 60-year cycle of the Heavenly Stem and Earthly Branch system of the Chinese calendar which was on New Year's Day, the new moon day of 2 November 1804. The previous era ended and a new one commenced in Kyōwa 4.
December 7, 1812 (Bunka 9, 4th day of the 11th month): Earthquake in Honshū (Latitude: 35.400/Longitude: 139.600), 6.6 magnitude.
1817 (Bunka 14): Emperor Kokaku travelled in procession to Sento Imperial Palace, a palace of an abdicated emperor. The Sento Palace at that time was called Sakura Machi Palace. It had been built by the Tokugawa Shogunate for former-Emperor Go-Mizunoo.