The 1573 was undertaken by Oda Nobunaga, a powerful warlord (daimyo) of Japan's Sengoku period. It was one of several actions taken in a series of campaigns against the Asakura and Azai clans, which opposed his growing power. Ichijōdani Castle, the castle home of Asakura Yoshikage, was one of several lavishly furnished castles which can be said to typify the Azuchi-Momoyama period. Excavations and research at the ruins of the castle have revealed that, much like Toyotomi Hideyoshi's castle at Fushimi, Ichijōdani was a luxury home with a library, garden, and elegantly decorated rooms.