Siege of Koriyama

Siege of Koriyama (吉田郡山城の戦い) took place from 1540 until 1541 in Yoshida, Aki Province, Japan during the Sengoku period. Amago Haruhisa, with 30,000 men, attacked Koriyama Castle, which belonged to Mōri Motonari and was defended by 8,000 men. When Mōri sent an army to relieve the siege, Amako was forced to leave.