Tenpō era (1830.12.10-1844.12.2)
Tempo Reforms (series of government measures, 1841-1843 CE)
Kanpō era (1741.2.27-1744.2.21)
Kenpō era (1213.12.6-1219.4.12)
Bunpō era (1317.2.3-1319.4.28)
Tenpo calendar; Japan's last lunisolar calendar (in use from 1844 to 1872)