The battle of Komaki, along with the battle of Nagakute which followed, was the climax of the conflict between the forces of Toyotomi Hideyoshi and Tokugawa Ieyasu, two warlords who sought to conquer Japan at the end of the Sengoku period. The Sengoku Period (Japanese: 戦国時代, Sengoku-jidai) or warring-states period, is a period of long civil war in the history of Japan that spans from the middle 15th to the early 17th centuries. ... 1584 was a leap year starting on Sunday of the Gregorian calendar or a leap year starting on Wednesday of the Julian calendar. ... Hideyoshi in old age. ... Shogun Tokugawa Ieyasu Tokugawa Ieyasu (previously spelled Iyeyasu); 徳川 家康 (January 31, 1543 – June 1, 1616) was the founder of the Tokugawa bakufu of Japan which ruled from the Battle of Sekigahara in 1600 until the Meiji Restoration in 1868. ... Hideyoshi in old age. ... Siege of Miki lasted from 1578 to 1580. ... The Siege of Takamatsu took place in 1582 in Japan. ... The Battle of Yamazaki was fought in 1582 in Yamazaki, Japan. ... The Battle of Shizugatake took place in 1583 in Japan. ... The Battle of Nagakute or more commonly, Battle of Komaki and Nagakute (小牧・長久手の戦い) took place in 1584 in Japan. ... The third siege of Odawara (小田原征伐, odawaraseibatsu) occurred in 1590, and was the primary action in Toyotomi Hideyoshis campaign to eliminate the Hōjō clan as a threat to his power. ... The siege of Shimoda was a naval siege conducted against a coastal Hōjō fortress in Izu Province. ... The Battle of Nagakute or more commonly, Battle of Komaki and Nagakute (小牧・長久手の戦い) took place in 1584 in Japan. ... Hideyoshi in old age. ... Shogun Tokugawa Ieyasu Tokugawa Ieyasu (previously spelled Iyeyasu); 徳川 家康 (January 31, 1543 – June 1, 1616) was the founder of the Tokugawa bakufu of Japan which ruled from the Battle of Sekigahara in 1600 until the Meiji Restoration in 1868. ... The Sengoku Period (Japanese: 戦国時代, Sengoku-jidai) or warring-states period, is a period of long civil war in the history of Japan that spans from the middle 15th to the early 17th centuries. ...

Following the fall of Inuyama castle, Mori Nagayoshi, an ally of Hideyoshi, marched towards Kiyosu. Tokugawa sent an army under Sakai Tadatsugu, and the two met at Komaki.

Despite fierce arquebus fire from Mori's men, Sakai succeeded at flanking and attacking Mori in the rear. Mori fled, having suffered 300 casualties. Japanese arquebus of the Edo era (teppo) The Arquebus (sometimes spelled harquebus or hackbut) was a primitive firearm used in the 15th to 17th centuries. ...

Reference

• Turnbull, Stephen (1998). 'The Samurai Sourcebook'. London: Cassell & Co.