Main Page | See live article | Alphabetical index Battle of Okehazama took place in 1560. In the battle, Oda Nobunaga defeated Imagawa Yoshimoto. Nobunaga launched a surprise attack on Yoshimoto. Thanks in part to a sudden rainstorm, the attack was a complete success. Yoshimoto and many of his top officers were killed. The article is originally from OpenHistory. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.