Battle of Omosu 1580
Recorded location from Wikidata; battle sites are often approximate.
Key facts
| Year | 1580 | Wikidata P585 (point in time) |
|---|---|---|
| Era | Early modern (1500–1799) | derived from year |
| Location | Japan | Natural Earth (modern borders) |
| Continent | Asia | Natural Earth |
| Coordinates | 35.0200, 138.8880 | Wikidata P625 |
About the battle
The 1580 battle of Omosu (重須の戦い, Omosu no Tatakai) was one of many battles fought between the Hōjō and Takeda clans during Japan's Sengoku period. It is distinguished, however, as one of the very few naval battles to be fought in pre-modern Japan.
The battle took place off the coast of the Izu Peninsula between the navies of Hōjō Ujimasa, the head of the Hōjō, and those of Takeda Katsuyori, the head of the Takeda.
The Fūma ninja led by Fūma Kotarō covertly infiltrated and attacked a camp of the Takeda clan forces at night, succeeding in causing severe chaos in the camp, which resulted in massive casualties among the disoriented enemies as they attacked each other.
Text adapted from the Wikipedia article Battle of Omosu (revision 1370271209), 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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Browse more: battles in Japan · Asia · Early modern battles