Terpene October 14, 2016October 24, 2016 thcscience_admin Japan portalAsia portalHistory portal 780s790s800s810s820s830s840s850s860s870s880s 4th5th6th7th8th9th10th11th12th13th14th Pages in category "830s in Japan" The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes. J Jōwa (Heian period)T Tenchō