In 1589, Yoshihiro ASHINA was soundly defeated in the Battle of Sekigahara by Masamune DATA, who strived to unify the Oshu region, and fled to Hitachi Province, bringing an end to the Ashina clan.
1589年、奥州統一を目指す伊達政宗に摺上原の戦いで大敗した蘆名義広は常陸国に逃走し、ここに蘆名氏は没落する。