Keeping up steady volleys of musket fire, and supported by a scalding shower of grapeshot from the 8-pounders, Lombardini’s and Pacheco’s men came on so fiercely that O’Brien was obliged to pull his guns back. Colonel William Bowles of the 2nd Indiana, seeing the cannoneers rolling back their weapons, rashly assumed that the entire line was under orders to retire. He called out to his men, ‘Cease firing and retreat.’ At that moment, the 2nd Indiana simply dissolved. The men ran, and nothing could stop them. Fear spread like wildfire. A soldier recalled: ‘Mexicans came out of the ravine in masses. Men left the ranks in all the regiments, and soon our rear was a confused mass of fugitives, making for Buena Vista Ranch and Saltillo.’ The abandoned cannoneers blasted away at the advancing enemy with double charges of canister topped with handfuls of stones before they, too, were forced to limber their guns and flee.

On the extreme left, where the Arkansans had fought off General Ampudia’s attacks the day before, matters were little better. The Americans clung desperately to their mountaintop, faced with the threat of being thrown off at any minute by attackers whose numbers were four or five times their own. The guns of Lieutenants George H. Thomas and Sam French were the lynchpin of the defense. Finally, the overwhelming numbers of Ampudia simply swept around the defenders and raced down the other side of the mountain to exploit the breech in the American lines. Many of the Arkansans remounted their horses and fled north, toward the imagined safety of Buena Vista.

Meanwhile, the 2nd Illinois, seemingly immune to the panic that had infected their comrades, fought a stubborn slow retreat, a few companies fighting a division–and gradually became separated from the units struggling on the far left. Captain Braxton Bragg’s battery, together with Colonel William McKee’s 2nd Kentucky and Colonel John J. Hardin’s 1st Illinois, rushed to plug the widening gap.

In pushing forward so rapidly, Lombardini’s men unwittingly exposed a flank to the guns of Bragg’s and Captain Tom Sherman’s batteries. The Mexican ranks staggered under a galling enfilade, while the Illinois infantry continuously peppered their front with pointblank volleys of ‘buck and ball’ rounds–three buckshot atop a .69 slug. The drive through the American lines slowed, then stalled.

But not before the Jalisco Lancers and 4th Cavalry Regiment, under Julián Juvera, seized their moment and swept forward, swirling through and around the beleaguered American left and riding hellbent for Buena Vista and Taylor’s precious supplies. Once there, they would be the cork in the bottle that held the whole U.S. force.

It was only then, at the absolute crisis point of the battle, that General Zachary Taylor at last returned to the battlefield. He was followed by Davis’ Mississippi Rifles, the 2nd Dragoons under Brevet Lt. Col. Charles May, and a squadron of mounted Arkansas riflemen.

Wool galloped up to Taylor in despair. ‘General,’ he cried, ‘we are whipped!’ ‘I know it,’ Taylor quietly replied, ‘but the volunteers don’t know it. Let them alone; we’ll see what they do.’

There are several variants of Taylor’s reply, but whatever he said, something akin to a miracle now had to be produced. Taylor’s left and center had been swung back like a huge door on a hinge, with the eastern wing now stretched fully a mile and a quarter all the way back to Buena Vista, toward which a routed mob of bluecoat soldiers was fleeing in utter panic.

Luickly Taylor made his dispositions. The dragoons and volunteer cavalry would rush to defend the supplies at Buena Vista, while Davis’ men would launch an immediate counterattack to in some measure restore the teetering left wing.

It was the hour of decision. The hapless Colonel Bowles, whose mistaken order had commenced the rout, snatched up a musket and fought in the ranks as a private for the remainder of the day.

The Mississippians made a proud sight as they formed ranks, wearing grand costumes more fit for 1812 than 1847. Each man wore a red shirt, a slouch hat and white duck pants; by their sides they carried 18-inch bowie knives. Far more important were their Model 1841 U.S. rifles and their well-earned reputation as ‘the finest marksmen in the world.’ The Mississippi Rifles now opened fire with murderous accuracy on Ampudia’s infantrymen as they swept down in waves from the mountains. A swift succession of shattering volleys dissolved the Mexican attack into complete confusion. A countercharge by the Mississippians, supported by the 3rd Indiana, then sent the enemy soldiers reeling back to their own lines.

Abruptly, a new threat appeared in the form of 1,500 Mexican lancers. They wheeled their horses toward the Mississippi redshirts, lances lowered for the charge. ‘Steady, boys!’ shouted Zachary Taylor above the roar of the battle. ‘Steady for the honor of old Mississippi!’

Davis, anxious to take full advantage of a cross-fire at short distance, formed his men on a plateau, the ranks taking the shape of a giant V with its open end toward the onrushing horsemen. ‘The enemy came forward rapidly and in beautiful order,’ Davis remembered, ‘the files and ranks so closed as to look like a mass of men and horses.’

Closer and closer the troopers came, banners dancing, the noonday sun glittering on their lances, until they were within 80 yards of the Mississippi position. There, they halted. Perhaps the lancers expected to draw an ineffectual fire from American muskets before charging home. If so, they wholly underestimated their opponents, who carried rifles accurate up to 500 yards instead of muskets. At 80 yards the blue, green and scarlet jackets of the Mexicans were so many bright targets. A single tremendous volley rang out. ‘It was appalling,’ one observer recalled. ‘The whole head of the column was prostrated.’ The lancers did not wait for more; they wheeled their horses and fled the battlefield. Jubilant, Old Zach stood in his stirrups and twirled his hat over his head. ‘Well done, Jeff! Hurrah for old Mississippi!’

While that was happening, Juvera’s cavalry reached the depot at Buena Vista. Within the stout adobe walls, Captain Enoch Steen and Major John Munroe were trying to organize a ragtag collection of fugitives into something resembling a defense. A slashing attack by the 1st U.S. Dragoons brought Steen some precious time; the dragoons struck Juvera’s ranks squarely in the middle, throwing his rear into irrevocable confusion. Some Mexicans raced back to their lines; others joined the attack on Davis. The rest of the Mexican force galloped madly around Buena Vista under a terrific fusillade from the American soldiers, who shot from roofs, windows, and from behind the shelter of ranch buildings. Unable to make any headway in his attack, Juvera led the remainder of his force west, ultimately riding completely around the American position and accomplishing nothing beyond pushing up the Mexican casualty lists.

A lull followed, albeit an all too brief one for the weary Americans. By 5 p.m., Santa Anna had patched together a collection of reserves from the remnants of Lombardini’s and Pacheco’s commands. Those men, several thousand strong, advanced against the American center. Facing them were the Illinois regiments of Colonels Hardin and William H. Bissell, together with McKee’s Kentuckians and a battery under Lieutenant O’Brien.

Under overpowering pressure, the blue line slowly but inexorably fell back. O’Brien, reduced to having green infantry man his guns because all his artillerymen had been killed or wounded, lost two 6-pounders and only just managed to save the rest of his battery. Hardin was killed while trying to seize the colors of the Hidalgo Battalion; his command was pushed back into a deep ravine, where Mexican infantry lined the rim and fired down into the Americans. Colonel McKee was slain, along with many others. Lieutenant Colonel Henry Clay, Jr., whose famous father had bitterly opposed the Mexican War, died calling on his men to leave him and save themselves. As Taylor later understated it, ‘The moment was most critical.’

The gallant O’Brien slowly rode his wounded, limping horse to the rear. He himself had been shot through the leg while trying to withdraw his battery. He left the field, however, with one abiding consolation: ‘I was…delighted to find that I had maintained my ground sufficiently long to cause the victory to be secured, for, at this moment, the rest of our artillery arrived and came into action.’

These were the guns of Captain Bragg’s light artillery, a company in which everyone, from captain to private, rode into battle. The little 6-pounders of the ‘flying artillery’ were considered among the most mobile cannons in the world, and now they came rattling across the battlefield at breakneck speed, the horses urged on by gunners who used the flats of their swords as whips.

Rapidly unlimbering into battery, Bragg’s guns faced an onrushing horde of enemy infantry. Glancing nervously behind him, Bragg asked Taylor, ‘Who is going to support me?’ Taylor, his leg hooked over the pommel of his saddle, coolly replied, ‘Major Bliss and I will support you.’ In truth, more substantial reinforcements were at hand–the Mississippi Rifles and U.S. Dragoons were already well on their way at a dead run.

As Bragg’s cannoneers bent to their work, Taylor reined in Old Whitey in order to take a closer look. ‘What are you using, Captain, grape or canister?’

‘Canister, General,’ replied Bragg.

‘Single or double?’

‘Single.’

‘Well, double shot your guns and give ‘em hell, Bragg.’

And the good captain proceeded to do just that. Three separate salvos at 50 yards were enough to shatter the Mexican attack and send Santa Anna’s proud regiments scurrying back across the field to safety.

A similar deliverance came for the Americans trapped in the ravine, with their exit from the gorge blocked by a squadron of Mexican lancers. From the road came the roar of Captain Washington’s guns, and the lancers wheeled about to face that new threat. Spherical case shot began bursting over the heads of the Mexican horsemen, shrapnel ripping horses and riders alike. Lieutenant W.H.L. Wallace later wrote: ‘I’ve heard many sweet sounds…but the whistling of that shell was the most grateful sound that ever greeted my ear. I turned, fatigued as I was, to see the effect. It was terrible. The main body of Lancers scampered back over the hill.’

Within the hour, a blinding torrent of rain swept the battlefield. The day’s fighting was over.

That night, Santa Anna and his generals held a council of war. The Mexican commander had lost some 3,500 men killed, wounded or missing–almost one-quarter of the entire attacking force. Taylor’s losses were 271 killed, 387 wounded and six missing. The American army remained in a precarious position, with one wing resting on little more than a prayer, and was still heavily outnumbered, but the Mexican army was a spent force. Too little sleep and too much hard marching, combined with that terrible butcher’s bill, had plunged the morale of the soldados Mexicanos to the bottom.

For the Americans, the misty dawn of February 24 brought first amazement, then celebration. Upon seeing the Mexican army in retreat, Taylor and Wool embraced in the middle of the battlefield and wept like children. Said Captain Carleton: ‘…a sound went along our lines ever to be remembered. It was but a single cry at first, then a murmuring which rose and swelled upon the ear like the voice of a trumpet: then a prolonged and thrilling shout: ‘Victory! Victory! The enemy has fled! The field is ours!”

The triumph was even sweeter for Old Zach than he could have realized on that glorious morning. By the next year, he would be elected president of the United States. Jefferson Davis, whose V formation had saved the day for the bluecoats, would later ride his reputation to the presidency of the Confederate States of America.

In the end, Santa Anna did what so many beaten men have done before and since. He went home and declared a victory. As proof of his achievement, the general displayed O’Brien’s captured 6-pounders. To win that pair of guns, Santa Anna had wrecked his army from top to bottom; in the seven months left before the fall of Mexico City, his soldiers would never win another battle.

At Padierna on August 20, 1847, Captain Simon Drum of the 4th U.S. Artillery recaptured O’Brien’s lost 6-pounders. The guns had one last, long journey before them, for they were to be taken to West Point and there displayed in the administration building beneath a plaque that read, ‘Lost without dishonor, recovered with glory.’ *

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This article was written by Robert Benjamin Smith and originally published in the February 1997 issue of Military History magazine. For more great articles be sure to subscribe to Military History magazine today!

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