was a battle during the 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...

 (16th century) of Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

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As a part of the very long rivalry between that of Oda Nobuhide

Oda Nobuhide

was a warlord and magistrate of lower Owari Province during the Sengoku period of Japan. His father was Oda Nobusada and Nobuhide was the father of Oda Nobunaga.-Ruling the clan:...

 and Saitō Dōsan

Saito Dosan

was a daimyo who dramatically rose and also fell from power in Sengoku period Japan. He was also known as the for his ruthless tactics.-Life:Originally a wealthy merchant from Yamashiro Province , he entered the service of Nagai Nagahiro of Mino Province , assuming the name Nishimura Kankurô.He...

, along with Dōsan's wanted supremacy over Mino Province

Mino Province

, one of the old provinces of Japan, encompassed part of modern-day Gifu Prefecture. It was sometimes called . Mino Province bordered Echizen, Hida, Ise, Mikawa, Ōmi, Owari, and Shinano Provinces....

, they fought each other on the battlefield in Kanōguchi. Nobuhide, who was the father of the famous 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...

, ended in defeat, with the loss of two of his very close relatives. Following Nobuhide's defeat, Dōsan's name greatly spread throughout Japan.

Peace was reached between the two clans when they made a deal for Nobunaga to marry Nōhime

Nohime

also Kichō or Lady Noh, was the wife of Oda Nobunaga, a major daimyo during the Sengoku period of Japanese history. Her proper name was Kichō, but since she came from Mino Province, she is most commonly referred to as Nōhime . She was renowned for her beauty and cleverness.Nōhime's father was the...

, Dōsan's daughter.