The Battle of Deeg, fought on 13 November 1804, took place outside Deeg, now in the Bharatpur district of Rajasthan, India. A force of the British East India Company led by Major General Fraser were defeated by a Maratha force under Yashwantrao Holkar and a force of Hindu Jats led by Maharaja Ranjit Singh. Fraser was himself mortally wounded in the attack. The Marathas captured about 87 guns of the enemy's 160. British casualties were over 640 killed or wounded. Maratha casualties were estimated at over 2,000. "The British loss was heavy - 643 killed and wounded", including General Fraser. The action was followed up by a Siege of Deeg Fort (11 – 24 December 1804).

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