INTERACTIVE BATTLE
Battle of Ukino
1558 · Ukino, Owari Province (now around Chiaki, Ichinomiya)
Oda Nobunaga of Kiyosu Castle fought the Oda of Iwakura, who held the north of Owari, at Ukino and won. The fall of Iwakura Castle the next year followed from it.
Background
Owari was divided: the Iwakura-Oda clan, the line of Oda Toshihiro at Iwakura Castle, held the north, and the line of Oda Toshisada at Kiyosu the south. For Nobunaga, who now held Kiyosu, they were the last obstacle to a united province.
Outcome
Nobunaga won and the Iwakura-Oda clan lost their momentum. In 1559 he took Iwakura Castle and united the province.
Course of the battle
1 1558
Kiyosu and Iwakura clash at Ukino
2 1559
Iwakura Castle falls and Owari is united
The next year Nobunaga took Iwakura Castle. The city of Iwakura records that with this he united the province. The castle is described as having a double moat about 90 metres east to west and 170 metres north to south.
Takes Iwakura Castle
Sources34·Certainty: High
Historical significance
This was the last stage in bringing Owari under a single hand. Since the Battle of Okehazama came the year after the province was united, the victory was also the ground on which Nobunaga faced the Imagawa.
Key figures
織田氏
1
Commander of the Kiyosu side
As lord of Kiyosu he fought the Oda of Iwakura, won at Ukino and took their castle the next year.
Sources3·Certainty: High
岩倉織田氏
2
Commander of the Iwakura side
Lord of Iwakura Castle. He lost at Ukino, and with the fall of the castle the next year the Oda of Iwakura left Owari.
Sources3·Certainty: Medium
Head of the Oda of Iwakura
Father of Nobukata. As lord of Iwakura Castle he had held the north of Owari.
Sources3·Certainty: Medium
Other events of 1558
Notes on the data
The sources do not agree on the month and day, so only the year is given. The site marked as the battlefield of Ukino rests on local tradition and does not fix the extent of the fighting.
Sources consulted
- 愛知県「岩倉城跡（あいち歴史観光）」
- 一宮市「一宮市ウォーキングマップ（浮野合戦場跡）」
- 岩倉市「山内一豊公と岩倉の歴史」
- 城郭マスタ（shiro.geojson）
The numbers in the text refer to the list above. Certainty indicates how far a statement is supported by the cited sources; it does not refer to the precision of the coordinates or the dating.
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