The 1573  was undertaken by Oda Nobunaga

Oda Nobunaga

was the initiator of the unification of Japan under the shogunate in the late 16th century, which ruled Japan until the Meiji Restoration in 1868. He was also a major daimyo during the Sengoku period of Japanese history. His opus was continued, completed and finalized by his successors Toyotomi...

, a powerful warlord (daimyo) of Japan's Sengoku period

Sengoku period

The or Warring States period in Japanese history was a time of social upheaval, political intrigue, and nearly constant military conflict that lasted roughly from the middle of the 15th century to the beginning of the 17th century. The name "Sengoku" was adopted by Japanese historians in reference...

. It was one of several actions taken in a series of campaigns against the Asakura

Asakura clan

The ' are descendants of Prince Kusakabe , son of Emperor Temmu .The family was a line of daimyō which, along with the Azai clan, opposed Oda Nobunaga in the late 16th century...

 and Azai clans, which opposed his growing power.

Ichijōdani Castle, the castle home of Asakura Yoshikage

Asakura Yoshikage

) was a Japanese daimyo of the Sengoku period, who ruled a part of Echizen Province.Born in Ichijodani Echizen, Yoshikage ascended to the head of the Asakura clan in 1548. He proved to be adept at political and diplomatic management, markedly demonstrated by the Asakura negotiations with the...

, was one of several lavishly furnished castles which can be said to typify the Azuchi-Momoyama period

Azuchi-Momoyama period

The came at the end of the Warring States Period in Japan, when the political unification that preceded the establishment of the Tokugawa shogunate took place. It spans the years from approximately 1573 to 1603, during which time Oda Nobunaga and his successor, Toyotomi Hideyoshi, imposed order...

. Excavations and research at the ruins of the castle have revealed that, much like Toyotomi Hideyoshi

Toyotomi Hideyoshi

was a daimyo warrior, general and politician of the Sengoku period. He unified the political factions of Japan. He succeeded his former liege lord, Oda Nobunaga, and brought an end to the Sengoku period. The period of his rule is often called the Momoyama period, named after Hideyoshi's castle...

's castle at Fushimi

Fushimi Castle

', also known as Momoyama Castle or Fushimi-Momoyama Castle, is a castle in Kyoto's Fushimi Ward. The current structure is a 1964 replica of the original built by Toyotomi Hideyoshi.-History:...

, Ichijōdani was a luxury home with a library, garden, and elegantly decorated rooms.

Asakura Yoshikage

Asakura Yoshikage

) was a Japanese daimyo of the Sengoku period, who ruled a part of Echizen Province.Born in Ichijodani Echizen, Yoshikage ascended to the head of the Asakura clan in 1548. He proved to be adept at political and diplomatic management, markedly demonstrated by the Asakura negotiations with the...

 was defeated, and suffered much the same fate as his comrade-in-arms Azai Nagamasa

Azai Nagamasa

was a Daimyo during the Sengoku period of Japan. His clan, the Azai, were located in northern Ōmi Province, east of Lake Biwa. He was both the brother-in-law of Oda Nobunaga, starting in 1564, and one of Nobunaga's enemies from 1570-1573. Nagamasa and his clan were utterly destroyed by Oda...

, whose castle at Oda Nobunaga

Oda Nobunaga

was the initiator of the unification of Japan under the shogunate in the late 16th century, which ruled Japan until the Meiji Restoration in 1868. He was also a major daimyo during the Sengoku period of Japanese history. His opus was continued, completed and finalized by his successors Toyotomi...

's Siege of Odani Castle was set aflame and destroyed earlier that year.