Battle of Ozawahara

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Battle of Ozawahara
Part of the Sengoku period
Date 1530
Location Ozawahara, Musashi Province, Japan
Result
Combatants
forces of the Hōjō clan forces of the Uesugi clan
Commanders
Hōjō Ujiyasu Uesugi Tomooki
Campaigns of the Hōjō
Arai - Edo - Nashinokidaira - Kamakura - Ozawahara - Musashi-Matsuyama 1537 - Kōnodai 1538 - Kawagoe - Odawara 1561 - Musashi-Matsuyama 1563 - Kōnodai 1564 - Mifunedai - Hachigata 1568 - Odawara 1569 - Mimasetoge - Kanbara - Nirayama - Fukazawa - Omosu - Kanagawa - Hachigata 1590 - Odawara 1590 - Shimoda - Oshi

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 Kanto plain.