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

Two Americans solidified the modern conception of Santa Claus in the 1800s

Clement Clarke Moore’s 1823 poem, now known as “The Night Before Christmas,” envisioned Santa riding a sleigh pulled by reindeer, making nighttime visits to provide gifts. Thomas Nast’s Harper’s Weekly illustrations in the 1860s–1880s established his distinctive appearance—large, bearded, and clad in an (often) red suit.

Visualize how Coca-Cola's secret formula has changed over time

Coca-Cola contained small amounts of cocaine until the early 1900s—but that's not the only time Coca-Cola has altered its recipe over the years. For instance, Coca-Cola transitioned from cane sugar to high-fructose corn syrup in the 1980s.

The Coca-Cola bottle was designed to be recognizable even when shattered

The contour bottle, which was designed and patented to prevent copycats in its distributed bottling system in 1915, would soon become one of the most identifiable shapes in commercial culture. The designers also made sure it could be easily identified even in the dark.

The traditional colors of Advent are purple, rose, and white

Purple is Advent’s primary color, symbolizing preparation and prayer; rose appears on the third Sunday to signal joy; and white, used for the fifth Advent candle or Christmas liturgies, represents purity and celebration as Christmas arrives.

Red is deeply symbolic in Chinese culture

Since the bold hue warded off the mythical Nian, the color red has come to represent luck, prosperity, and celebration. If you come across a home or neighborhood preparing for new year celebrations, you'll see red lanterns, wall hangings, clothing, and more.

Christmas carols evolved from medieval folk songs to modern holiday staples

Christmas carols began as communal folk songs in medieval Europe, and were later adapted into religious hymns. Revived in England in the 19th century, they have become a core holiday tradition around the world.

Thirty weird facts about Christmas trees

From its fascinating origin to how yours is grown today, these incredible Christmas tree facts will add a little bit more wonder to your holiday season.

Tiptoe, an adorable blue reindeer, became Macy’s new mascot in 2021

Move over Rudolph—there’s a new reindeer in town. And just like the red-nosed reindeer, this one was also created by a department store. An article explains Tiptoe’s origin story, and the business implications of the new mascot.

LEDs emit pure colors, while incandescent bulbs filter white light

Traditional Christmas lights produce softer, less saturated colors by partially blocking the full spectrum of light, resulting in a particularly warm glow by dimming the cooler blue tones. LEDs are designed to emit a single wavelength of light, creating intense colors that are visually unbalanced in multicolor environments.

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.

Red and blue election maps are a modern media invention

The red–blue color scheme used on election night maps emerged in the 20th century as television networks adopted color graphics to make results easier to follow. The association of red with Republicans and blue with Democrats later became standardized.

Dalí partnered with Hallmark to design surreal Christmas cards

Dalí pursued commercial work throughout his career. In 1948, Hallmark released a set of Christmas cards designed by the artist. A decade later, he created images for additional holidays, including Valentine's Day, Easter, and Mother's Day.

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.

Coca-Cola began developing Diet Coke to compete with a diet cola called Tab

Launched in 1963, Tab was successful in part because of its diet-conscious branding, with the name "tab" referring to the idea of "keeping a tab on your weight." Diet Coke made its debut in 1982.

During the fall, chlorophyll breakdown in leaves produces color changes

With shorter days and less sunlight, the concentration of the green pigment diminishes, revealing yellow and orange pigments. Red leaves result from trapped sugars, producing new pigments called anthocyanins, which weren't present in leaves during the growing season.

Thomas Edison created the first strand of electric Christmas lights in 1880

Edison strung electric bulbs outside his laboratory in 1880, and his business partner Edward H. Johnson first wrapped a tree in lights in 1882. It wasn’t until the lights were commercialized in 1917 that they became common in household Christmas decorations.

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 original ending to 'Rudolph the Red-Nosed Reindeer' was changed after viewers voiced their disappointment

The movie's TV premiere on December, 6, 1964, ended with Santa choosing Rudolph to help him deliver presents across the world. However, young viewers were disappointed that Rudolph never fulfilled his promise to rescue his friends from the Island of Misfit Toys, which he'd promised to do earlier in the film. The producers reworked the ending, correcting the plothole, before the movie was broadcast again in 1965.

The film ‘Coco’ sparked global interest in the Day of the Dead

The holiday figures prominently in the 2017 Disney film, which inspired an uptick in Day of the Dead merchandise being carried by national chains like Target and Michaels, sold alongside Halloween merchandise.

The history of iconic pigments used in seven famous paintings

While art paints can be bought by the bucket at any craft store today, pigments throughout history have been difficult to come by. Art historian Kelly Grovier traces the fascinating history of pigments that make up hidden layers in masterpieces from Picasso and Hokusai’s Prussian Blue to Vermeer’s shade of red.

Colombia exported 35,000 tons of greens for Valentine's Day bouquets in 2025

The country is home to the green foliage that pads out Valentine's Day bouquets. Over 70% of the country's Valentine's Day exports (an operation that includes 500 flights) went to the United States. Environmental activists warn that the large-scale cultivation is harming a fragile ecosystem.

The colorful history of the world's first gummy bears

Hans Riegel Sr. founded Haribo in 1920, creating the world's first gummy bears in 1922. Initially working from his kitchen in Bonn, Germany, Riegel developed the Dancing Bear, which was larger and slimmer than modern gummy bears, inspired by dancing bears at European festivals. Haribo has continuously evolved, creating unique gummy products for different countries and addressing ethical concerns. Learn the history here.

The tradition of drinking Champagne on New Year's is believed to come from ancient Rome

Julius Caesar might not have had sparkling wine, but when the Romans created the now-standard calendar that begins on Jan. 1, they celebrated with a toast. The tradition spread throughout Europe and then the colonies, and so when Champagne became the drink of choice for special occasions, it was only natural that it became the standard New Year’s Eve sip.

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

Read about the history of gift cards

The first retailer to sell gift cards was Neiman Marcus, but Blockbuster popularized them by selling them via in-store displays in 1994. Starbucks then started selling gift cards that could be reloaded in 2001.

'The Wizard of Oz' wasn't the first film to use Technicolor

Technicolor provided warm color to films. it was first used in 1917. But the 1939 film used Technicolor in such an intentional way—by having Dorothy exit a dull, sepia-toned world before entering the Technicolor Oz—it popularized the technology, even though audiences had likely seen it used before then.

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

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

See how fireworks are made and learn how metals like magnesium and copper are responsible for different colors.

Dorothy's famous entrance into Oz in 'The Wizard of Oz' relied on analog tricks, including a body double and sepia-toned paint, as much as it did on technology

Dozens of S&P 500 stocks, including Coca-Cola and Walmart—known as the dividend aristocrats—have increased dividends every year for 25 years

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.

Coral reefs get their colors from zooxanthellae—microorganisms that line corals' digestive tracts and provide them with sugars in exchange for a home within this protective tissue.

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

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.

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.

Poison ivy was sent to Europe in the 1600s as an exotic, ornamental oddity, where it was purposefully grown in the English royal gardens at Kew, the Faculty of Medicine in Paris, and a few other locations.

Power lines are dotted with large, brightly colored balls to improve the visibility of these thin wires to helicopters and small planes and help prevent potential crashes.

Watch a 1934 short film starring jazz legend Cab Calloway, a major figure in the Harlem Renaissance's music scene

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.

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.

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.

Fast-casual restaurant Chili's is experiencing a resurgence, with its parent company recently reporting a nearly 32% increase in sales, thanks to passionate Gen Z fans on TikTok.

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

Up to a million Girl Scouts sell about 200 million cookie boxes every spring, generating $800 million, largely because refusing a child is frowned upon

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.

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

Salvador Dalí believed he was his own dead brother, who had died nine months before he was born

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

After NASA's Voyager 1 captured Earth as a single pixel as it left the solar system in 1990, astronomer Carl Sagan used the image to reflect on humanity's fragility and the responsibility to protect 'the only world we've ever known.'