Meriwether Lewis grew up in the same neighborhood as Jefferson

Jefferson sent Lewis and Clark to map, trade, and secure the West

Beyond seeking a water route to the Pacific, Jefferson tasked the Corps of Discovery with mapping the new Louisiana Territory, cataloging its resources, and establishing trade with Native nations.

John Marshall maintained a lifelong connection to George Washington

Marshall served under Washington in the Continental army, later delivered a memorial address following his death, and chaired the funeral arrangements. He also authored a five-volume, 3,200-page biography, "The Life of George Washington."

The Lewis and Clark expedition lasted over two years

The Corps of Discovery departed St. Louis in May 1804 and returned in September 1806, covering more than 8,000 miles by boat, horseback, and on foot. See a timeline of the journey’s key events.

Thomas Jefferson delivered his 1801 State of the Union address in writing

In 1801, President Jefferson ended in-person State of the Union addresses, feeling they were too monarchial, and sent written messages instead—a practice that lasted until 1913. His first message was written and sent via his secretary, Meriwether Lewis, who later led the Lewis and Clark expedition.

As president, Thomas Jefferson expanded federal power despite opposing centralized authority

Although Jefferson argued for limited national power, his presidency expanded federal authority through actions such as the Louisiana Purchase, territorial governance, and federal enforcement—reflecting a pragmatic departure from his earlier strict interpretation of the Constitution.

Hamilton's endorsement helped win Jefferson the presidency

In the 1800 presidential election, neither candidate won a majority in the Electoral College, sending the decision to the House of Representatives. After 36 failed votes, Alexander Hamilton lobbied for his ideological rival, Thomas Jefferson, over Aaron Burr, helping break the deadlock.

Lewis brought his loyal Newfoundland dog on the expedition

Meriwether Lewis was accompanied by his dog, Seaman, a Newfoundland who traveled the entire journey—helping hunt, guarding camp, and even rescuing supplies from a river.

Montpelier was founded by Madison's grandfather, Ambrose, in the 1730s

Montpelier was originally known as Mount Pleasant. James Madison inherited his family's Virginia estate in 1801. He expanded the plantation and, after his presidency, lived there full time until his death in 1836.

At age 22, Washington inadvertently started the French and Indian War

In 1754, while leading a small Virginia militia force in the Ohio Valley, Washington's troops ambushed a French scouting party. The clash heightened tensions between Britain and France and sparked a broader conflict that soon spread across North America, Europe, and parts of Africa and Asia.

The rivalry between Alexander Hamilton and Thomas Jefferson centered on federalism—the question of how much power the federal government should hold relative to the states.

Thomas Jefferson is rumored to have anonymously submitted a design for the White House

Of the design submissions for the White House, one is rumored to have been submitted by Thomas Jefferson, an amateur architect. Though his design did not win, he later influenced the grounds as president, adding formal gardens, wooded areas, and a carriage drive.

The namesake of gerrymandering was a signatory of the Declaration of Independence

Elbridge Gerry, a Massachusetts statesman and vice president under James Madison, signed the Declaration of Independence. He is also the only signer buried in Washington, DC, interred at Congressional Cemetery.

Key was a prominent lawyer before the war

Key may now be known for his poetry, but he entered the War of 1812 as a renowned lawyer in Frederick, Maryland, and Washington, D.C. After the war, he was nominated by President Andrew Jackson to serve as District Attorney for Washington, D.C., which he did from 1833 to 1841.

Learn about the extraordinary life of Sacagawea’s son, Jean Baptiste

Born during the Lewis and Clark Expedition, Jean Baptiste Charbonneau (nicknamed "Pomp") traveled to Europe at 18 with Duke Paul of Württemberg, spending six years in his court—gaining a classical education and fluency in multiple languages.

Americans touring the Louvre were inspired to create their own grand museums

The one-time royal residence was first transformed into a public museum in 1793 amid the French Revolution. Americans visiting in the early 1800s were both turned off by the aristocratic grandeur and compelled by the open access to the public. James Fenimore Cooper, the author of "The Last of the Mohicans," apparently came and measured the length of galleries.

James Hemings, Jefferson's cook, popularized mac and cheese in the US

The statesman sent Hemings to France to sharpen his culinary skills where he picked up recipes of baked pasta with cheese and butter. The recipe Hemings likely dictated to Jefferson was later used in an 1802 White House dinner, the first major public dinner in the US to include the dish.

Explore rare artifacts from the archives at Mount Vernon

This series from Washington's Presidential Library showcases rare books, maps, letters, and artifacts from his collection. It illuminates how he learned, governed, traveled, and understood the world around him.

Both Abigail and John Adams had complicated relationships with Thomas Jefferson

This podcast examines the complex history between the Adams family and Thomas Jefferson—a relationship that fluctuated between close friendship and fierce rivalry, influenced by political conflicts and personal loyalties.

Washington systematically introduced and popularized mule breeding in the United States

Known as "the father of the American Mule," Washington imported a prized Spanish donkey and bred it with a female horse at Mount Vernon. He promoted mules as stronger, more efficient farm animals, helping spread their use across the South and transforming American agriculture.

Early Washington lodging was scarce and uncomfortable for new congressmen

Boardinghouses near the Capitol in 1800 were so limited that many congressmen had no private rooms. Albert Gallatin complained that he had to share a bedroom with another congressman, "and look upon the same male faces day in and day out."

Twain grew up in Missouri near the Mississippi River

When Twain (then known as Samuel Clemens) was 4 years old, his family moved to Hannibal, Missouri, a port town along the Mississippi River. Hannibal would eventually be the setting for two of his most famous works: “The Adventures of Huckleberry Finn” and “The Adventures of Tom Sawyer.”

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

Jeff Bezos’ biological father and mother married as teenagers—and had Jeff a year later

His biological father, Ted Jorgensen, was a circus performer at the time. He later gave up custody of Jeff and became a bicycle repairman in Phoenix, Arizona. Ironically, the last time Jorgensen saw Jeff as a child was in a Walmart where Jorgensen worked. This video dives into the relationship between Jeff Bezos and his estranged biological father, who passed away in 2015.

A bankrupt flour merchant in debtor’s prison helped inspire the Erie Canal

In 1807, Jesse Hawley, jailed for debt after struggling with high transport costs, published essays under the pen name “Hercules.” His writings laid out the canal’s route and benefits, galvanizing support for the project.

Louisiana has parishes instead of counties

Louisiana is the only US state that uses parishes rather than counties as its primary local government unit. The distinction traces back to the state's French and Spanish Catholic colonial heritage.

Whitman's view on slavery was informed by a trip to New Orleans

In 1848, Walt Whitman traveled with his brother to New Orleans to pursue a job opportunity at the Daily Crescent newspaper. While there, he witnessed firsthand the horrors of the slave trade, an experience that would inform the political and artistic projects that followed.

The Civil War turned the Continental Divide into an American symbol of identity

Historians argue that the boundary only became a celebrated American symbol in the 1860s, when Civil War-era leaders promoted a west-east geographic divide to replace the devastating north-south political divide, and that the term's use spiked after the transcontinental railroad crossed it in 1868.

'Grand Canyon of the Yellowstone,' a work by American painter Thomas Moran, inspired Congress to establish Yellowstone National Park.

Meet the 56 signers of the Declaration of Independence—most of whom didn't put pen to paper until August 2, 1776—and see their original signatures.

During the French Revolution, a botanist's letter asking about "dear Rhus" (poison ivy) was intercepted, leading authorities to suspect he was conspiring with the Russians.

Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real

Marburg virus, related to Ebola, is also extremely deadly, and has no available vaccine.

Before writing 'Walden,' transcendentalist Henry David Thoreau nearly burned down his hometown with a campfire that grew out of control.

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

The concept of phantom limbs, the perception that amputated limbs are still present, dates back to a French military surgeon in the 16th century.

Against his wishes, Albert Einstein's brain was removed before his cremation, and the pathologist responsible stored it for decades in mason jars within a beer cooler.

In 1939, baseball star Lou Gehrig delivered his inspirational 'Luckiest Man' speech after retiring due to the health condition that now bears his name.

In 2018, 26-year-old missionary John Allen Chau was killed by tribesmen after attempting to reach and evangelize on India's isolated North Sentinel Island

A researcher recently discovered an interview from 1967 between groundbreaking journalist Joan Didion and the Grateful Dead, years before the band became an institution.

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.

Explore fun facts from the USPS, including unique post office buildings, a stamp that traveled past Pluto, and more.

Mid-century modern graphic designers, known for their bright colors and bold lines in advertising, also found success with children's books.

Jimmy Carter signed a 1978 bill that legalized home brewing, a move credited with kick-starting the craft beer industry.

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

A Yale student wrote a profound essay about the consulting industry's influence on elite college students that was published in a book of her writing after she died in a post-graduation car accident.

The boiling temperature of water decreases with increasing elevation because the molecules need less energy to overcome the lower atmospheric pressure associated with thinner air.

Legendary architect Frank Lloyd Wright designed the SC Johnson headquarters in Wisconsin, aiming to make a cathedral-like workplace

See how each of the more than two million known species relates to each other—and to common ancestors—in this zoomable tree of life.

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

The American cockroach is actually from Africa, an apparent hitchhiker aboard ships carrying enslaved people, with evidence suggesting the bug may have arrived in the New World as early as the 1600s.