Born to Ann Hill Carter Lee and Revolutionary War officer Henry "Light-Horse Harry" Lee. His early years were shaped by family prestige and financial strain in the young United States.

Accepted to West Point, where he pursued a rigorous curriculum emphasizing engineering and discipline. He built a reputation for meticulous conduct and strong academic performance among his peers.

Graduated with high honors and notably incurred no demerits, a rare achievement at the academy. Commissioned as a brevet second lieutenant in the U.S. Army Corps of Engineers.

Married Mary Custis, the great-granddaughter of Martha Washington, connecting him to the Washington family legacy. Their marriage centered on Arlington House and eventually produced seven children.

Worked on harbor and river improvements, including projects protecting coastal commerce and navigation. These posts sharpened his practical engineering skills and attention to terrain and fortifications.

Joined General Winfield Scott’s campaign and conducted daring reconnaissance that guided key maneuvers. His performance at Veracruz and later battles earned praise and accelerated his reputation.

Helped identify routes through difficult ground that enabled American flanking attacks near Mexico City. Commended by Scott for calm execution under fire and skillful staff work during intense fighting.

Supported assaults toward Chapultepec and the approaches to the capital, coordinating engineers and troops. His wartime brevet promotions reflected both tactical judgment and personal courage in action.

Returned to West Point as superintendent, overseeing cadet discipline, instruction, and institutional reforms. He emphasized professional standards and engineering competence in an era of growing sectional tension.

Transferred from engineers to cavalry for frontier service under Secretary of War Jefferson Davis’s expansion plans. Stationed in Texas, he confronted raids and harsh logistics across vast distances.

Commanded U.S. Marines and soldiers sent by President James Buchanan to suppress John Brown at the armory. The swift operation at Harpers Ferry heightened national tensions over slavery and secession.

Declined an offer to command Union forces and submitted his resignation as loyalty conflicts intensified. He soon accepted command responsibilities for Virginia, reflecting the crisis tearing the nation apart.

Took command after Joseph E. Johnston was wounded during the Peninsula Campaign against George B. McClellan. He reorganized defenses and initiated aggressive operations that reshaped the Eastern Theater.

Defeated Union forces under John Pope at Second Manassas, then repelled Ambrose Burnside at Fredericksburg. These successes elevated his standing in the Confederacy and deepened Northern frustration.

Invaded the North and clashed with the Army of the Potomac under George G. Meade at Gettysburg. The three-day battle ended in a costly Confederate retreat, marking a strategic turning point.

Faced Grant’s relentless offensives from the Wilderness through Spotsylvania and Cold Harbor. Lee’s army suffered heavy losses while defending Richmond and Petersburg against superior Union resources.

After Petersburg fell, his army retreated west but was surrounded by Grant’s forces near Appomattox. He surrendered on generous terms that helped set a precedent for ending major Confederate resistance.

Accepted leadership of Washington College and promoted a curriculum including modern languages, law, and commerce. His presidency aimed to stabilize a devastated region and guide students through Reconstruction-era change.

Suffered a stroke in 1870 and never fully recovered, as family and colleagues gathered at his home. He died in Lexington, where he had become a prominent postwar educational leader and public figure.