Kanpō

Change of era

• 1741 Kanpō gannen: Based on the belief in Chinese astrology that the 58th year of the sexagenary cycle brings changes, the era name was changed to Kanpō. The previous era ended and the new one commenced in Genbun 6, on the 27th day of the 2nd month.

  Events of the ''Kanpō'' era

• 1742 : A comet was seen in the sky.
• 1742 : Persistent heavy rains create floods throughout the country, with noteworthy devastation in Musashi province, Kōzuke province, Shimotsuke province, and Shinano province. In Heian-kyō, the Sanjo Bridge is washed away in this destructive storm cycle.
• 1743 : A comet was sighted in the night sky; and this comet is likely to have been what is today identified as C/1743 X1.