A castle siege is when the enemy, surrounds the castle and they are going to attack and doesn't let anyone in or out or either forcing the castle residents to surrender or die from lack of food.
Siege of Iwaya Castle happened in 1586.
Siege of Kōzuki Castle happened in 1578.
Siege of Toda Castle happened in 1543.
Siege of Ichijōdani Castle happened in 1573.
Siege of Carrigafoyle Castle happened in 1580.
Siege of Ōta Castle happened in 1585.
Siege of Noda Castle happened in 1573.
Siege of Hikida Castle happened in 1573.
Siege of Iwamura Castle happened in 1572.
Siege of Odani Castle happened in 1573.
Siege of Roxburgh Castle happened in 1313.
Siege of Inabayama Castle happened in 1567-09.