Siege of Iwamura Castle 1572
Recorded location from Wikidata; battle sites are often approximate.
Key facts
| Year | 1572 | Wikidata P580 (start time) |
|---|---|---|
| Era | Early modern (1500–1799) | derived from year |
| Location | Japan | Natural Earth (modern borders) |
| Continent | Asia | Natural Earth |
| Coordinates | 35.3603, 137.4513 | Wikidata P625 |
About the battle
The siege of Iwamura was a military event which occurred in 1572 in Japan, concurrent with Takeda Shingen's push into Tōtōmi Province and the Battle of Mikatagahara.
Akiyama Nobutomo, one of Shingen's "Twenty-Four Generals," set his eye on the great yamashiro (mountain castle) of Iwamura when Tōyama Kagetō, the commander of the castle's garrison, fell ill and died.
Akiyama negotiated the castle's surrender with Lady Otsuya, who was not only Tōyama's widow but also the aunt of Oda Nobunaga. The heir to the castle was a four-year-old boy called Gobōmaru, the fifth son of Oda Nobunaga, who had been given to Tōyama to adopt and raise as his own. Gobomaru was taken to the Takeda home in Kai province as a hostage. In accordance with the surrender treaty, Lady Otsuya married Akiyama.
Text adapted from the Wikipedia article Siege of Iwamura Castle (revision 1370742030), licensed under CC BY-SA 4.0. Changes: excerpted from the article lead section; shortened by selecting paragraphs and trimming at a sentence boundary; formatting and citations removed. No text added.
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