The Knights Templar were the first officially recognized Christian military order

Europe’s first universities emerged from medieval church school

The modern university can be traced back to the Middle Ages, when schools in Italy, France, and England initially trained clergy before expanding to include lay students. By the 10th and 11th centuries, they taught law, medicine, and theology across Europe.

What was the Fourth Crusade?

Originally destined for Jerusalem, the Crusaders became entangled in a Byzantine civil war, and found themselves besieging the greatest city in Christendom. After breaching the sea walls and subjecting the city to the worst sack in its history, they installed a Flemish nobleman as Latin emperor of Constantinople.

The Illuminati were a real espionage society in the 1770s

Bavarian professor Adam Weishaupt founded the group in 1776 as an anti-clerical, anti-royalist sect that used hierarchy, codes, and surveillance as a proto-spy network. Within a decade, it was suppressed, but the mythology never quite died. Today, it functions as an adaptable conspiracy theory, able to fit any era's anxieties about who really holds power.

Modern swordsmen still are trying to figure out how medieval knights fought

There's no line of succession for the secrets to fighting like a medieval European knight. All the primary sources of information on the art are either dead or trapped in vague manuscripts. But that doesn't mean people aren't trying to piece the martial art back together. This article explores one group's attempt to revive the world of historical European martial arts.

For the medievals, the moon was a versatile religious symbol

Within the distinct traditions of Christianity and Islam, the moon became a central metaphor and sign for religious teaching. For Christians, its light was used to explain Jesus' humanity with the light of the sun (divinity). For Muslims, the moon represented a cosmic longing for god.

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.

Miracles versus magic: How early Christians distinguished their beliefs from pagan ones

This in-depth article describes how early Christians attempted to differentiate their beliefs and rituals from those that came before. One major difference? Demons. For pagans, demons could be good or bad, occupying the middle ground between gods...

Many early colonists came to America to escape religious persecution in Europe

Fleeing state-sponsored religious oppression in England and Europe, many early colonists sought freedom of conscience in the New World. Many—especially in New England—established their own religiously exclusive communities: They persecuted dissenters, expelled nonconformists, and enforced orthodoxy.

The modest monks behind Trappist beer

Trappist monks, a sect of Catholic clergy, follow a strict code that requires all work to benefit their religious community. It's believed they began brewing beer sometime in the 6th century to fund their abbeys.

Early Christians viewed the Resurrection as a political claim about authority

Titles like "Son of God," "Lord," and "Savior" were in active circulation as official imperial titles at the time, stamped on Roman coins and carved into public inscriptions about Caesar. Early Christians applied those same words to Jesus, a crucified Jew, as a counter-claim about who actually held authority over the world. (Romans who refused to say "Caesar is Lord" were executed for it.)

White supremacist groups like the Ku Klux Klan emerged to undermine Reconstruction

Founded in 1865 by former Confederate officers in Tennessee, the Ku Klux Klan used terror, murder, and intimidation to suppress Black political power and restore white Democratic control across the postwar South.

The "green men" were among the first European pyrotechnicians

In the 1600s, men wore leaf-covered caps when handling fireworks to protect against sparks. Headgear was also worn by those helping to maintain order when leading medieval fireworks processions, often acting like jesters to entertain viewing audiences.

The Satanic Temple has protested the presence of the Ten Commandments at state capitols

After Oklahoma and Arkansas put up Ten Commandments monuments on their state capitol grounds, the Satanic Temple argued that if one religion's symbols are allowed, theirs should be, too. The temple asked for permission to install a bronze statue of the goat-headed figure Baphomet next to them.

London bankers created the first clearinghouse to process checks in 1770

Until that time, each banker was required to bring that day's checks to every other bank for settlement. Perhaps understandably, the first place bankers opted to gather to clear and settle checks was a tavern known as the Five Bells. The innovation gave rise to what would become clearinghouses, key institutions that facilitate payments.

Unitarian Frank Lloyd Wright made Unity Temple to honor his own faith

In 1905, a Unitarian church in Frank Lloyd Wright's town was struck by lightning and destroyed. Wright, a Unitarian himself, was commissioned to build the replacement and constructed a simple yet radical concrete sanctuary known as Unity Temple.

The 1621 Pilgrim-Wampanoag peace treaty was the first of its kind

The Wampanoag people, weakened by disease, were at risk of being forcefully subsumed by the neighboring Narragansett tribe. Recognizing an opportunity, the Wampanoag offered the settlers necessary survival skills in exchange for protection through the settlers’ firearms. The treaty remained in place for more than 40 years.

The earliest Advent was a Lent-like fast beginning Nov. 11

In 490, Bishop Perpetuus of Tours ordered Christians to fast three days a week from St. Martin’s Day (Nov. 11) until Christmas. This 40-day season—called St. Martin’s Lent—is one of the earliest documented forms of Advent.

The League of Nations was the predecessor to the UN—and the US never joined

The League of Nations—established in 1920 after World War I—was the first global organization aimed at maintaining world peace. Although US President Woodrow Wilson championed its creation, the United States never joined.

Francis Drake: favored English pirate who sailed around the world

Before becoming the global explorer that many know him as today, Sir Francis Drake was a pirate, merchant, and slave trader. This in-depth article dives into the life of Drake, who's commonly credited as the first person to circumnavigate the globe by ship successfully.

The First Amendment protects 5 distinct freedoms

Most Americans cite the amendment on free speech, but the First Amendment also protects religion, the press, peaceful assembly, and the right to petition the government—five separate guarantees in a single sentence.

The power and meaning behind the Sikh turban

Sikhs, who comprise the fifth-largest religion in the world, are well known for their elaborate turbans. The tightly wrapped headdress is a symbol of each person's royalty, a reflection of the Sikh belief in everyone's participation in the divine...

See ceremonial photographs from David Attenborough's second knighthood

After being granted the title of Knight Bachelor by Queen Elizabeth II in 1985, he was appointed the upgraded rank of Knight Grand Cross of the Order of Saint Michael and Saint George in 2022 by then-Prince Charles on behalf of the Queen.

Archaeologists decode the first known sentence in what may be the oldest written alphabet

This five-minute video details the accidental discovery and subsequent decoding of the first known sentence in what's believed to be the oldest written alphabet. The Canaanite sentence was found on a Bronze Age hair comb unearthed in Tel Lachish, a city of the ancient Biblical Kingdom of Judah, during a dig focused on excavating the kingdom's first Iron Age city. The Canaanite language developed sometime between 3,000 and 1,000 BCE.

In 'Lord of the Rings,' the 'palantír' is a magical stone that allows one to see virtually anything

The company Palantir's name was inspired by this J. R. R. Tolkien reference. In fact, it's one of several Peter Thiel-cofounded companies that have a nod to The Lord of the Rings for a name, including Valar Ventures and Mithril Capital.

The Spanish consolidated power in California with 21 strategic missions

This map shows the order of establishment of the Franciscan-led missions whose saintly names still grace contemporary maps, from Santa Rosa in the north to San Diego in the south.

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

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

Take a 3D tour of the Hajj, Islam's annual pilgrimage to Mecca, undertaken by over 1.5 million Muslims.

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

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

Iran's Revolutionary Guard Corps is independent of Iran's regular army and is one of the most powerful and influential military-political organizations in the Middle East.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

El Niño, Spanish for 'the boy,' was named after Jesus Christ because the phenomenon resembled the weather changes observed around Christmastime.

In 1963, a basement renovation in Turkey revealed a passageway to a hidden, multilevel underground city that once housed as many as 20,000 people

44% of Americans say they pray at least once a day—discover how your state's religiosity stacks up against the rest of the country.

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.

See photos of Meteora, a mountainous site in central Greece, home to 14th-century monasteries perched atop soaring outcroppings.

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

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.

Learn how monoclonal antibodies, which mimic the body's antibodies, can fight diseases like Ebola.

The identity of the Tank Man in the iconic photo from the 1989 Tiananmen Square protests remains unknown and was possibly killed.

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.

Fear or disgust related to clusters of holes and cracks, called trypophobia, may stem from evolutionary processes to help us avoid pathogens.

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.

Corals are themselves not coral reefs—the term refers to the tiny marine invertebrates that build the rigid reef.

All rainbows are 'raincircles' caused by water droplets separating white sunlight into a spectrum of colors, but Earth's surface blocks the bottom half of the circle from our line of sight.

Explore a list of the 100 best novels of all time, compiled by some of the world's best living writers, including Salman Rushdie, Stephen King, and Jennifer Egan.

70 years ago today, city officials in Santa Cruz, California, banned rock 'n' roll to protect its youth from corruption after witnessing a 'provocative' concert the night before.

Studies suggest when you sleep is as important as how much you get, and syncing with your circadian rhythms may lead to less fatigue and improved long-term health outcomes

The first steps to rebuilding your credit score include getting to know exactly what's on your credit report and figuring out how far you are from the '700 club,' or 'good score' range.