Christmas carols evolved from medieval folk songs to modern holiday staples

How ‘O Come, O Come, Emmanuel’ became a beloved, haunting Advent hymn

The text of the hymn is rooted in the ancient O Antiphons. The melancholic melody was traced to an anonymous 15th-century author. The hymn stands as one of the few standard Christmas carols actually intended to be sung during the season of Advent. Listen to the song’s history here.

Charles Dickens transformed Christmas into an important family-centric holiday

When Charles Dickens published “A Christmas Carol” in 1843, its story of an old man’s redemption helped reshape the holiday, popularizing themes of generosity, reflection, and family that transformed the Christmas season.

Christmas elves evolved from Norse mythology to Santa’s workshop

Elves originated as powerful human-sized beings in Norse mythology, closely tied to nature and fertility. In the 1800s, American writers reimagined them as tiny, toy-making assistants for Santa Claus, with later visual depictions by Norman Rockwell and Disney solidifying their role in Christmas folklore.

Country music can be traced back to Colonial America

The genre begins with the folk music of the Colonial settlers, blending the area’s regional sounds, including gospel, African spirituals, and Anglo-Saxon, Scottish, and Celtic ballads.

Many iconic Christmas songs were written by Jewish composers

Jewish songwriters shaped the sound of Christmas, composing hits like “Let it Snow” and “Rudolph the Red-Nosed Reindeer.” Irving Berlin, a Jewish immigrant from Russia, wrote “White Christmas, which remains the bestselling single in music history.

The first commercial Christmas card was created in 1843

Overwhelmed by the task of writing many holiday letters, Sir Henry Cole commissioned artist JC Horsley to design a festive card he could send to friends and family in 1843—creating and popularizing the first mass-produced Christmas card.

Before electric lights, Christmas trees were lit with real candles

The practice of lighting Christmas trees with electricity didn’t begin until the late 1800s. Before that, families used wax candles on branches—a dangerous tradition that originated in 16th-century Germany.

See Christmas traditions from around the world

From Venezuelans roller-skating to church to the decoration of boats in Greece, Christmas traditions vary widely all around the world. See examples from 30 different countries, which highlight how a country’s history shapes its holiday traditions.

Christmas was briefly banned in 17th-century England

In the 1640s, Puritans outlawed Christmas, deeming it wasteful and unbiblical. For nearly two decades, celebrations were suppressed and violators fined, though many ignored the ban. The law was repealed in 1660.

Christmas celebrates the anniversary of God's birth as the man Jesus

The major holiday originated in the Christian doctrine of God's incarnation in first-century Roman Judea. Though it was not celebrated for several hundred years after Jesus' death, it took on greater importance as the church spread, culminating in a global holiday season today.

Norse Yule solstice rituals inspired many modern Christmas decorations

Scandinavian Vikings celebrated Yule during the winter solstice, burning massive, decorated logs to protect their homes and ensure good harvests, while hoping for the sun's return. The festival included evergreens, mistletoe, holly, and ivy.

Early European observance varied between penitential and celebratory seasons

For centuries, churches disagreed over the purpose of Advent: Gaul and Spain treated it as a long, penitential fast beginning on November 11, while Rome observed a shorter, more joyful season. These competing traditions were only blended into a unified Advent in the Middle Ages.

Red and green became Christmas colors thanks to holly—and Coca-Cola

Holly's green leaves and bright red berries linked the colors to winter festivals for centuries, but Coca-Cola's 1931 Santa—painted by Haddon Sundblom in Coke-red robes—helped cement red and green as the modern Christmas palette.

Halloween originated with the Celtic festival of Samhain

Halloween, a holiday primarily popular in the US and Canada, originated 2,000 years ago with the Celtic people. The Celts interpreted this transition as when ghosts returned to the land of the living, leading to rituals like feasts, bonfires, and wearing costumes made of animal body parts on Oct. 31.

Many New Year's Eve traditions came from German immigrants

While it’s hard to trace the origins of many New Year’s traditions, many of the norms for American New Year’s Eve celebrations come from German immigrants, who significantly influenced American culture in the 1800s. Below is an excerpt from an 1863 New York Times article describing a German New Year’s celebration.

A medievalist explains how romantic love emerged as a cultural concept

Many long-form stories written in English were originally considered "romances," a term derived from the Old French word for "the speech of the people." But changes in medieval culture, triggered by a number of 12th-century church reforms, led to a new interest in what we now consider romantic love, including a new view of marriage as a pursuit of love rather than a transaction. Those new perspectives were then reflected in the period's popular stories, including stories in Chaucer's "Canterbury Tales."

Robert Burns published ‘Auld Lang Syne’ while trying to preserve the Scots language

The 18th-century poet collected folk songs from the language, which he worried was disappearing, when he heard an old man sing ‘Auld Lang Syne.’ Burns then revised some of the verses before publishing it in 1796 in an anthology called “Scots Musical Museum.” By the 1880s, it was being sung on the holiday in Scotland.

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.

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.

Opera melodies from centuries ago still appear in TV and movies today

Even if you haven't witnessed an 18th century opera, you've likely heard melodies from one in modern media like “Apocalypse Now” and “Sesame Street.” Today, sports events, movies, and television feature operatic melodies even over a century after they were written.

Jazz improvisations are often based on well-known standards

Similar to blues, folk, and country music, jazz relies on a shared tradition of common songs that its artists learn, cover, and rework in their own unique ways. Jazz musicians are often able to easily improvise with other musicians because they share a knowledge of the songs and their languages.

Medieval hospitals existed centuries before modern medicine

Long before modern healthcare, medieval Europe established hospitals that served multiple roles, including religious, social, and medical purposes. This podcast explores how institutions like Siena’s Ospedale di Santa Maria della Scala supported urban and rural communities for centuries.

The origin of the 'barbershop quartet'

Barbershop is subgenre of acapella, limited to four singers who all play highly specific roles. If you see a particularly inspired quartet, you might even see them in old-timey barber dress, a nod to style's origin: the British barbershop. This brief explainer from Mental Floss breaks down the strange story behind the form and how it traveled overseas to become the music we know today.

What is a harpsichord?

The harpsichord is the precursor to today's piano, an accompanying instrument first developed in the Early Middle Ages. Rather than struck with hammers (like a piano), the strings of a harpsichord are plucked, producing a bright, consistent tone. The instrument provided harmony in ensemble music during the Renaissance and Baroque periods and featured prominently in opera.

The concept of CDs dates back to the 1600s in Europe

Banks in the US started issuing CDs in the early 1800s as the banking system began to take shape following the Revolutionary War. The federal government did not formally insure CDs until the FDIC was formed in 1933.

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.

A century of Billboard issues documenting the evolution of popular music.

The word 'jazz' evolved from 'jasm,' 19th-century American slang for 'energy'

'Silent' fireworks have gained more interest in recent years as a quieter celebratory option.

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.

English mathematician Ada Lovelace wrote the first computer algorithm a century before computers existed and hypothesized that computing devices would one day be able to compose music—foreseeing the generative AI systems of today.

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

After the Boston Tea Party, colonists switched to coffee, which became the main morning drink for revolutionaries.

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

The 19th-century painters of the Hudson River School were among the first American romantics, with portraits that displayed the natural beauty of the young country.

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.

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

See the 25 of the best photos of auroras from around the world.

In preparation for this weekend's Eurovision finale, which is something like the World Cup of pop music, here's a young Céline Dion performing (for Switzerland?) at the 1988 competition.

The Beatles' US label rejected the band's first two singles, 'Please Please Me' and 'From Me to You,' with one executive calling the band 'dead in the water.'

A small portion of The Winstons' 'Amen, Brother,' an obscure '60s gospel record, is the basis for thousands of hip-hop tracks, making it one of the most sampled records ever that's informally known as 'the Amen break.'

The Ramones' 'Pet Sematary,' the theme song for the Stephen King novel of the same name, was written while the band was admiring the writer's collection of horror memorabilia.

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

US consumers collectively owe more than $1T to credit card companies—almost as much as they owe in auto loans.

When a Paris department store hesitated to sell Estée Lauder's perfume, she 'accidentally' broke a bottle, causing the smell to spread throughout the store and shoppers to start asking to buy the scent.

Crows are believed to have intelligence on par with a seven-year-old child and demonstrate complex behaviors, from problem-solving with tools to recognizing human faces.

Art theft is the third-largest source of criminal revenues worldwide, thanks in part to the subjective nature of valuing a work of art.

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.

See how Budweiser's famous Clydesdales spend their days at Warm Springs Ranch, where roughly 70 to 80 of the beer brand's giant horses can be found at any given time.