How William the Conqueror expanded into England

Visualize 1,000 years of English monarchs with this timeline

Who sat on the throne and for how long? This visualization highlights the reigns of England’s kings and queens from 1066 to present day.

The wild, early history of the tunnel across the English Channel

Britain and France today are connected by the Chunnel—a tunnel bored roughly 120 feet under the seabed of the notoriously choppy English Channel, which opened in 1994. The dream of integrating Britain with the rest of the continent this way began much earlier, with daring, physically impossible plans proposed as early as the 19th century. Check out the earliest plans here.

Viking raids spread Scandinavian culture far beyond northern Europe

Between roughly 800 and 1200 CE, seafaring Vikings from Scandinavia combined skilled craftsmanship with violent coastal raids. Their expeditions extended cultural influence from the British Isles to Northern Africa, reshaping medieval trade, warfare, and settlement patterns.

12th-century English monks claimed discovery of King Arthur's bones

The medieval legend of King Arthur and his Queen, Guinevere, is one of the most popular to endure into the modern era. The legend regularly evolved during the Middle Ages, as is seen in this story where a historian from King Henry the Second's court claims the bones of Arthur were discovered at Glastonbury Abbey.

D-Day, history's largest amphibious invasion, turned the war's tide

On D‑Day, over 156,000 American, British, and Canadian troops assaulted five heavily defended beaches along a 50‑mile stretch of northern France. Supported by nearly 3 million men, 1,200 warships, and 13,000 aircraft, the successful landings paved the way for the liberation of Western Europe and decisively shifted momentum against Nazi Germany.

A small island nation built the largest empire in history

See how Britain grew from a small kingdom into a global empire ruling nearly a third of the world, then unraveled through war, nationalist movements, and declining power—leaving just 14 overseas territories as remnants of its once-vast domain.

King Philip’s War devastated Native resistance in colonial New England

Decades of rising tension over land and sovereignty erupted in 1675, when Wampanoag leader Metacom led a Native alliance against English colonies. The 14-month war ended in catastrophic defeat, killing thousands and shattering organized Native power in the Northeast.

Charlemagne sparked a medieval revival of learning and Roman culture

During the Carolingian Renaissance, Charlemagne—the king of the Franks and later the emperor of much of Western Europe—and his successors promoted education, the arts, and scholarship. Monasteries preserved hundreds of Roman texts, while architecture and artistic styles drew inspiration from classical Rome.

Anglo-Saxons toasted the new year

The lord of a manor toasted his subjects at the start of a new year with the Old English phrase “waes hael,” which roughly translates to “be well.” “Wassailing” involved traveling from house to house, singing songs, and continuing to drink, a practice that eventually influenced caroling.

Maps of murder across medieval England

These interactive maps show the sites of murders across York, Oxford, and London during the 14th Century. Explore the data by clicking site pins or experimenting with map filters, including crime scene type and murder weapon. Each pin includes a blurb on what researchers concluded about the attack, such as how a fight between the London fishmonger and skinner guilds during August 1340 ultimately left one man dead.

Trade and conquest carried chess into Europe by the 11th century

After spreading through Persia, chess traveled along Islamic military and trade routes into North Africa and Moorish Spain by the 10th century. By the 11th century, it had taken root across much of Europe, flourishing in courts and monasteries.

See how Stonehenge was built

This short animation shows how human beings managed to lug 30-ton stones over miles of prehistoric English countryside and stand them up The Stone Age engineering involved using giant wooden rollers and carving precisely interlocking tongue-and-groove joints to hold the heavy stones in place.

King Henry VIII's first divorce is likely the most famous divorce of all time

How often does a divorce change the course of a nation? When English King Henry VIII wanted to divorce his first wife, Catherine of Aragon, in the 1500s, Catholicism was the national religion. Even though Catherine didn't produce a male heir, religious leaders refused to grant his wish. In response, King Henry turned his country upside down for the chance to marry the second of his six wives.

The impressive walls of Constantinople

This video explores the land walls of Constantinople, built on the orders of Theodosius II in the mid-fifth century. They consisted of a triple line of defenses, studded with hundreds of towers and supplemented with a moat. The walls were besieged dozens of times, but were only broken in 1453 by the power of Ottoman cannons. As repaired by the Ottomans, the walls are still largely intact today.

Charles Dickens' novels inspired a young Norman Rockwell

Rockwell is considered a narrative painter who tells stories through his portraits of everyday Americans. The interest in using images to tell stories began at a young age, when his father read Dickens aloud to him while the young Norman illustrated the books’ scenes.

British beard history, 101

The beard has gone in and out of fashion for centuries in Britain. It was hated in the 18th century but became a must in the 19th. This quick list rehashes 15 fascinating tidbits about the beard, including possible useful functions for them (a beard is equivalent to an SPF 21 sunscreen) and how barbers were often also surgeons.

Watch Ken Burns' documentary series on the American Revolution

In "The American Revolution," filmmaker Ken Burns presents the conflict as both a global war and a civil war, telling its story through the lives of soldiers, civilians, enslaved people, Native nations, and international allies.

An in-depth history of Guy Fawkes and the Gunpowder Plot

Guy Fawkes Day has been celebrated on November 5 in the United Kingdom for over four centuries, with bonfires, fireworks, and effigies. But who was Guy Fawkes, really? Learn about the Catholic radical who was a member of a group of 13 men eventually executed for their attempts to blow up Parliament and the king.

Walter Camp revolutionized American Football

When Walter Camp was introduced to the game of football in the late 1800s, the rules weren’t set, the field wasn’t uniform, and the game was brutal. Camp joined early rules committees and was instrumental in shaping the modern game. Read this deep dive into Camp’s early life and influences, and find out how he established the line of scrimmage and the series of downs.

The Elizabethan pirate hired to find the Northwest Passage

This resource by the Canadian Museum of Natural History explores the life and adventures of Martin Frobisher, an Elizabethan pirate hired to find the then-fabled Northwest Passage, a path across the Arctic Sea that would've allowed for quicker trade between Asia and Eastern Europe. He ventured into arctic waters at least three times, returning to England each time with either fool's gold, captive natives, or fool's gold and captive natives.

The US Bill of Rights drew directly from England's own Bill of Rights

England's 1689 Bill of Rights established protections against cruel and unusual punishment and the right to petition the government. Many of its provisions were adopted nearly word for word by America's founders a century later.

New York was once called New Amsterdam

Although New York has a long history, it wasn’t actually called “New York” until the late 1600s, when the English beat out the Dutch for control of the area. In 1664, Dutch Governor Peter Stuyvesant surrendered what used to be known as “New Amsterdam” to the English, who renamed it New York after the Duke of York.

A day in the life of Bodo and Ermentrude, 8th century Frankish peasants

The manor was the basic unit of economic and social structures in medieval Europe, where peasants worked the land and served the monastery, all with the feudal lord at the top. This account details a pair of peasants pulled from a real-life manorial account from what is France today.

Explore an interactive map of battles from the American Revolution, along with detailed summaries of each engagement

How David Attenborough's work in color television gave tennis balls their color

As controller of BBC Two, Attenborough wanted the BBC to achieve the first full-color broadcast in Europe and saw Wimbledon as the perfect event to make it happen. Noticing that the white tennis balls used then would stain green and become less visible on color broadcasts as matches progressed, he suggested fluorescent balls, which were eventually adopted.

The modern marathon’s arbitrary distance is thanks to the British royal family

In 1908, the London Games set the marathon distance to 26.2 miles to meet the British royal family’s request that the race start at Windsor Castle and end at their royal box. In 1921, that arbitrary distance became the official length for the marathon.

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

See 33 images that became central to huge scandals, including a young Charles and Camilla, Michael Jackson's baby on a hotel balcony, and Hugh Grant's mugshot.

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

Explore the history, structure, and species of Australia's Great Barrier Reef with this interactive journey narrated by Sir David Attenborough.

The Mona Lisa's celebrity status and repeated restorations have obscured what made the painting so revolutionary for its time

Double world record holder Hunter Ewen helped conquer his fear of balloons, called globophobia, by training to win Guinness World Record titles for balloon inflation.

The first horror movie is believed to be George Méliès' 1986 short 'The Haunted Castle,' which pioneered the use of special effects

The history of many kitchen appliances involves unexpected discoveries and applications, including wartime radar turned hamster defroster and replacing an 'ice king' with heat-stealing boxes.

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

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

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

The Brothers Grimm were lawyers before they were storytellers, but became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

Volcanic activity may have triggered the Black Death by spewing gases that led to crop failures in Europe, thus forcing the import of grain ships with plague-infested fleas.

The US Constitution is widely regarded as the longest-standing written national constitution still in force—see how it has influenced rights worldwide.

Watch this video that uses Lego bricks to explain how venture capital works.

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight

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.

NBA superstar Victor Wembanyama spent the 2025 summer training with monks in central China to enhance his body and mind.

The term 'algorithm' originated from the Latinized name of al-Khwārizmī, a 9th-century mathematician whose works introduced Arabic numerals and the decimal-based numeral system to Europe and whose treatise 'Al-Jabr' gave algebra its name.

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

Neutron stars, the remains of some massive stars after they explode in a supernova, are the densest directly observable objects in the universe.

While El Niño moves warm Pacific Ocean waters east along the equator, La Niña moves them west, shifting where rainfall will become more common for months.

The first line of 'immortal' human cells, which can divide indefinitely and are used in scientific research, was nonconsensually taken from a Black woman.