On the evening of May 7, 1864, Robert E. Lee sat in his tent on a ridge overlooking the Virginia wilderness. The battle had ended in a tactical standoff. Lee’s Confederate forces had held their ground, and Grant’s Union army had taken enormous casualties.
For three years, Lee had watched the same pattern repeat itself. Union generals attacked, Lee parried, they lost confidence, and then, without exception, they turned north, retreating across the Rapidan River to regroup. That night, his officers brought reports that Grant’s army was disorganized, that Union morale was shaken, and that the roads north were being prepared for another retreat. Then something happened nobody expected.
Grant didn’t turn north. He turned south. In that moment, Lee understood he was facing a general willing to fight a kind of war he had never encountered before. To understand why Grant’s refusal to retreat was so shocking, you have to understand what Lee had become by the spring of 1864.
In the judgment of the Confederate government, Lee was the greatest general in the world. It wasn’t arrogance; it was fact. In three years of warfare in Virginia, Lee had defeated every Union general sent against him. George McClellan, despite having twice Lee’s numbers, had been so cautious that he barely fought.
Ambrose Burnside sent his army across a river at Fredericksburg to attack Lee’s fortified positions; Lee devastated them, inflicting over 12,600 Union casualties. Then came Joseph Hooker, confident with 100,000 men to Lee’s 60,000. He planned to trap Lee between two wings of his army. Instead of retreating, Lee divided his smaller army and attacked Hooker’s wings separately.
Hooker panicked and lost 17,000 men. One Union general called Lee’s performance at Chancellorsville a miracle. Lee’s men worshipped him. They called him Mars Robert, and they believed he could do the impossible.
Lee had come to believe it too. He wrote to his wife that if the Confederacy could fight just one more year, the North might lose the political will to continue. Lincoln’s reelection in 1864 was uncertain, and the Northern press was growing critical of the war. Lee’s strategy was to fight defensively, inflict casualties that would discourage Northern resolve, and win not by destroying the Union army but by making Northern voters quit.
What Lee didn’t know was that everything was about to change. In March 1864, Abraham Lincoln brought Ulysses S. Grant to Virginia. Grant had won in the West.
He had captured two Confederate armies at Fort Donelson and Vicksburg, survived Shiloh despite being surprised, and won at Chattanooga from a seemingly hopeless position. Most importantly, Grant never stopped fighting. Lincoln’s instruction was deceptively simple: hold on with a bulldog grip and chew and choke as much as possible. Grant understood he wasn’t being asked for elegance or brilliant tactics.
He was being asked for relentless pressure, to bite down and never let go. The soldiers of the Army of the Potomac had read about Grant’s victories, but they had a question: Grant has never met Bobby Lee yet. They had fought Lee for three years and believed he was invincible in Virginia. On May 4, Grant gave the order.
The Army of the Potomac, 120,000 men, crossed the Rapidan River heading south. His objective was simple: find Lee’s army and destroy it. Lee ordered an attack. The wilderness of Virginia was a terrible place to fight, dense second-growth forest so thick you couldn’t see fifty yards ahead, where formations dissolved into chaos and artillery couldn’t target what it couldn’t see.
The battle was a nightmare. Fires started in the dry brush, and historical records document that an estimated 200 to 300 wounded soldiers were consumed by flames, trapped in the underbrush. When the smoke cleared on May 7, Grant had lost 17,666 men. Lee had lost between 11,000 and 12,000.
That evening, Lee’s officers told him Grant’s army was disorganized and the roads north were being prepared for retreat. But Grant didn’t pull back. On the evening of May 7, the Army of the Potomac formed up to move. The soldiers assumed they were retreating; that was what happened after every battle with Lee.
But Grant turned the army not north, but south, deeper into Confederate territory, deeper toward Richmond. One Union officer recorded the moment: the cheers burst forth spontaneously from the entire column, and the weariness seemed to depart from every face. Soldiers ran alongside Grant’s horse. One soldier cried openly because in that moment they understood they finally had a general who would not turn back.
Across the lines, someone realized exactly what this meant. Over the next six weeks, Grant and Lee fought a series of savage battles: Spotsylvania Court House, the Bloody Angle, the North Anna River, Cold Harbor. Each time the pattern was the same. Lee took a strong defensive position.
Grant attacked, the attack was repulsed, Grant lost more men than Lee, and then Grant did the unthinkable: he kept fighting. At Spotsylvania, Grant’s assault on the Mule Shoe Salient produced the Bloody Angle, over twenty-two hours of continuous hand-to-hand combat where soldiers stabbed each other through gaps in the log breastworks, where corpses couldn’t fall and held up the living. Approximately 17,000 total casualties were concentrated in those twenty-two hours. And after every battle, every loss, Grant turned his army south again, deeper toward Richmond.
This was not warfare as Lee understood it. He had won engagements, but he was losing the campaign. Lee’s correspondence from this period shows a man grappling with something new. He expressed growing frustration with Grant’s relentless tactics, noting that Grant made repeated flanking attempts and seemed committed to a sustained campaign rather than a single decisive battle.
Grant wasn’t trying to win the battle. He was trying to destroy Lee’s army, and he was willing to accept any casualties necessary to do it. He understood something most other Union generals never grasped: battles don’t decide wars; attrition decides wars. If Grant kept Lee constantly engaged, constantly fighting, constantly losing men he couldn’t replace, eventually Lee would run out of soldiers.
There was another factor nobody discussed openly. Lee himself was deteriorating. By 1864 he was fifty-seven and suffered from documented heart issues. Throughout the Overland campaign, contemporary accounts record that Lee attempted to personally lead charges into battle, actions his doctors warned against and his officers actively tried to prevent.
Whether these collapses were caused by his heart condition, the crushing stress of command, or simple exhaustion, the result was the same. Lee was pushing himself beyond human endurance. By mid-June, the Overland campaign was over. Grant had suffered approximately 55,000 total casualties; Lee approximately 33,000.
But while Grant could replace those losses, Lee couldn’t. The North had twenty million people. The South had nine million, and four million of them were enslaved. Grant had forced Lee to abandon the open field and settle into a siege at Petersburg.
For ten months, Lee was pinned down, unable to maneuver, unable to retreat, constantly losing men while his supply lines were gradually strangled. By spring 1865, Lee had roughly 50,000 men left. Grant had over 100,000 and was receiving more. Lee knew surrender was coming, but he couldn’t accept it yet.
On April 2, 1865, Grant broke Lee’s lines at Petersburg. Lee evacuated and headed west with what was left of his army, hoping to reach supplies at Farmville and then join another Confederate army under Joseph Johnston. Grant had no intention of letting him escape. Union cavalry under Philip Sheridan harried the retreat constantly, and one by one Lee’s supply depots were captured or burned before he could reach them.
On April 6, at Sailor’s Creek, Sheridan’s cavalry cut off a large portion of Lee’s army. Approximately 7,700 Confederates were captured, including eight generals. Lee watched from a distance as thousands of his men were taken. According to eyewitness accounts, Lee sat stunned on his horse, reportedly asking, my God, has the army dissolved?
On April 7, Grant sent Lee a letter suggesting surrender. Lee didn’t respond immediately; he still hoped to reach supplies at Lynchburg and continue fighting. But on April 8, Union cavalry reached Appomattox Station first and captured or burned the supplies. The last escape route was blocked.
On the morning of April 9, Lee sent a flag of truce and requested a meeting to discuss surrender terms. They met at the house of Wilmer McLean, a Virginia farmer who had fled his home near Manassas four years earlier to escape the war, only to have it end in his parlor. Grant arrived in muddy field clothes. Lee arrived in a spotless dress uniform, his sword at his side.
Grant was respectful, making small talk about their time together in the Mexican War. He wrote out terms of surrender: Confederate soldiers would be paroled; officers could keep their sidearms and horses; and Grant added a clause allowing soldiers who owned horses to keep them so they could return to farming. Then, looking at Lee’s thin, exhausted army, Grant realized they were starving. He ordered his own supply depots opened, and 25,000 rations enough food for Lee’s entire army for days were transferred to the Confederates.
Lee, visibly moved, said this would have a very happy effect on his army. Lee signed the surrender. When Grant asked if he would write to other Confederate commanders urging them to surrender as well, Lee refused, saying it was not for him to tell other commanders what to do. In his farewell to his army, Lee wrote that after four years of arduous service, the Army of Northern Virginia had been compelled to yield to overwhelming numbers.
He did not say Grant was a better general or that Grant’s strategy was superior. He attributed the defeat to numbers, implying the South simply ran out of men. But that wasn’t entirely true. The South lost because Grant understood how to use his men to destroy the other side’s capacity to fight.
In a war of attrition, the side with more resources wins, and Lee’s inability to adapt to that reality meant he fought the war Grant’s way, not his own. After the war, Grant and Lee had remarkably little to say about each other. Grant, in his memoirs, recorded his emotions at Appomattox: whatever Lee felt, it was concealed from observation, and Grant’s own feelings, which had been jubilant on receiving Lee’s letter, were sad and depressed. He felt anything rather than rejoicing at the downfall of a foe who had fought so long and valiantly and suffered so much for a cause, though that cause was, he believed, one of the worst for which a people ever fought.
Lee spent his remaining years as president of Washington College in Lexington, Virginia, becoming a symbol of the Lost Cause, the myth that the South lost through lack of resources and northern aggression rather than flawed strategy. But the truth is harsher. Grant was willing to accept 55,000 casualties to win; Lee was horrified at the cost. In modern industrial warfare, the side willing to pay the cost wins, the side that understands battles are means to an end, not ends in themselves.
Grant understood this. Lee never fully did. Grant’s general plan, he later said, was to concentrate all available force against the Confederate armies in the field. If their armies were destroyed, the rebellion would be over.
It was not necessary to capture any particular city. This brutal modern understanding of warfare is what destroyed the South. Lee was a brilliant tactician, one of the greatest in military history, but Grant showed how to win an entire war. There was one more consequence often overlooked.
Grant’s relentless pressure in the spring and summer of 1864 didn’t just militarily defeat Lee; it politically saved Lincoln’s presidency. In July 1864, Lincoln’s reelection seemed doubtful. By November, after Atlanta fell and Petersburg was besieged, Lincoln won decisively. The Peace Democrats lost, and the North committed itself to fighting until victory.
That political victory, made possible by Grant’s military pressure, sealed the Confederacy’s fate. That evening in May 1864, when Grant turned south instead of retreating north, Robert E. Lee finally understood what he was facing: a general who would not turn back, who would not accept defeat as an honorable conclusion to a battle, who was willing to fight until the enemy was destroyed.
That willingness, more than any brilliant tactic or bold maneuver, changed the course of the Civil War.