Battle of Ozawahara
Encyclopedia
The 1530 battle of Ozawahara was the first battle for Hōjō Ujiyasu
, then fifteen years old. He faced Uesugi Tomooki
. The battle was part of a seventeen-year struggle, which began with the 1524 siege of Edo
, between the Hōjō clan
and the Uesugi
for control of the Kantō region
.
Hojo Ujiyasu
was the son of Hōjō Ujitsuna and a daimyō of the Odawara Hōjō clan.Upon his father's death in 1541, a number of the Hōjō's enemies sought to take advantage of the opportunity to seize major Hōjō strongholds...
, then fifteen years old. He faced Uesugi Tomooki
Uesugi Tomooki
was a lord of Edo Castle and enemy of the Hōjō clan, who seized the castle in 1524. He was the son of Uesugi Tomoyoshi, who was among the first to oppose the Hōjō's rise to power....
. The battle was part of a seventeen-year struggle, which began with the 1524 siege of Edo
Siege of Edo
In the 1524 Siege of Edo, also known as the Battle of Takanawahara, the Hōjō, led by Hōjō Ujitsuna, besieged Edo castle, which was held by Uesugi Tomooki...
, between the Hōjō clan
Late Hojo clan
The ' was one of the most powerful warrior clans in Japan in the Sengoku period and held domains primarily in the Kantō region.The clan is traditionally reckoned to be started by Ise Shinkurō, who came from a branch of the prestigious Ise clan, a family in the direct employment of the Ashikaga...
and the Uesugi
Uesugi clan
The was a Japanese samurai clan, descended from the Fujiwara clan and particularly notable for their power in the Muromachi and Sengoku periods ....
for control of the Kantō region
Kanto region
The is a geographical area of Honshu, the largest island of Japan. The region includes the Greater Tokyo Area and encompasses seven prefectures: Gunma, Tochigi, Ibaraki, Saitama, Tokyo, Chiba, and Kanagawa. Within its boundaries, slightly more than 40 percent of the land area is the Kantō Plain....
.