Order of battle of the Waterloo Campaign those not present in the Order of Battle and the casualties on the previous two days. With so much of the Dutch Belgian contingent not present at the battle, only 579 officers and 8,677 men (9,256 in total) were fielded by II Corps. With only three regiments not present at the battle the Cavalry Corps was the most complete at Waterloo fielding 16,133 (933 officers and 13,897 men) after taking into account the small losses at Quarte-Bras and during the retreat on 17 June 1815. The reserves, 34,394 men and 56 guns, came under the direct command of Wellington during
Battle of Waterloo and drive it back towards the sea. The historian Andrew Roberts notes that "It is a curious fact about the Battle of Waterloo that no one is absolutely certain when it actually began". Wellington recorded in his dispatches that at "about ten o'clock [Napoleon] commenced a furious attack upon our post at Hougoumont". Other sources state that the attack began around 11:30. The house and its immediate environs were defended by four light companies of Guards, and the wood and park by Hanoverian "Jäger" and the 1/2nd Nassau. The initial attack by Bauduin's brigade emptied the wood and park, but