In 935, during his reign, there was an incident caused by TAIRA no Masakado in the Kanto area, and the following year there was another one in the Inland Sea (of Japan) caused by FUJIWARA no Sumitomo.
治世中の承平5年（935年）2月、平将門が関東で反乱を起こし、次いで翌年には瀬戸内海で藤原純友が乱を起こした。