Conversation candy hearts were originally message-free medicinal lozenges

Esther Howland built a Valentine's Day card empire in 19th-century New England

In 1849, Howland launched her card business, the New England Valentine Company, in her home, staffing an assembly line with her friends, who'd piece together the intricate valentines. The cards were elaborately decorated, with silk, lace, and romantic verse. Howland's annual sales eventually grew to $100K and helped popularize the holiday in the US.

In the 20th century, Valentine's Day became more commercialized

Historian Elizabeth Nelson notes that companies sought "to turn holidays into opportunities for selling things from candy to flowers to magazine advertisements" in the 1900s. Hallmark, founded in 1911, pushed the holiday toward elementary students, who aimed to collect cards from as many classmates as possible.

Richard Cadbury invented the heart-shaped chocolate box in 1868

Richard's father, John Cadbury, founded the Cadbury Brothers chocolate company (now known simply as Cadbury) in 1824. Richard recognized the popularity of ornamental designs (especially for Valentine's Day gifts) and designed the heart-shaped box for the company's chocolates, which became a staple of the holiday.

Candymaker Haribo focuses on gummies to simplify production

Focusing on a specific kind of candy gives the company expertise on texture, ingredients, factory processes, and more. The company's decentralized production allows for regional specification.

'Roses are red, violets are blue' has a long, twisting history

The earliest known use of the phrase, a stock romance form used in greeting cards, is in Edmund Spenser's "The Faery Queen" from 1590 (excerpt below). By 1785, Joseph Ritson updated the verse and connected it to Valentine's Day, creating a cliché that's still used today.

The ancient Romans invented the first known artificial sweetener—it involved lead

The product was known as "sugar of lead." It was made by boiling wine in lead pots, concentrating the grapes' natural sugars and adding sweetness from the lead that leached into the grapes. The substance was used until roughly the 1880s for medicinal purposes and also to sweeten wine. (Some users may encounter a paywall.)

Danish cookies became a treasured Lunar New Year gift, thanks to their unique tin container

Hong Kong experienced an economic boom in the 1970s, which led to snacking, including on Western foods, becoming a cultural norm. Kjeldsens butter cookies became a popular treat, and their packaging, a distinct tin container, presented them as more refined than a simple snack. Instead, they were considered a worthwhile present for Lunar New Year.

The board game Candyland was invented for children quarantined in polio wards.

Turkish delight recipes were initially kept secret

The chewy confection dates back to the 1700s, and initially was served at the sultan's court. The palace's secret recipes were eventually published in one of the earliest Ottoman cookbooks by Mehmet Kamil.

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

Uncrustables' reinvention of the PB&J

In the 1990s, David Geske and Len Kretchman came up with the ingenious idea to package and mass-produce a crustless version of the peanut butter and jelly sandwich. This makeover to an American childhood staple resulted in a $1B business. Read this article in Mental Floss to learn more about the origins of the brand Uncrustables and its extraordinary success.

Advertisers emphasized Cupid's childlike qualities to appeal to a younger demographic

Cupid is the Roman god of desire, and was often depicted in ancient mythology as both childlike and violent. In the 1800s, however, American advertisers eager to appeal to a younger demographic leaned into the less threatening versioning, portraying him as a cherubic child.

Santa Claus originally wrote Christmas letters instead of receiving them

Parents originally used the letters as an opportunity to help discipline their children. Gifts eventually took on a more central role in the holiday, turning the letters into chances for kids to write Christmas wish lists.

Salvador Dalí designed the Chupa Chups lollipop logo

The ubiquitous lollipop design actually comes from the mind of Salvador Dalí. Dalí had no problem creating commercial work for the right price and agreed to create the eye-catching logo. Dalí's skill for attracting attention explains why the logo is placed on top rather than the side.

Processed foods were marketed to busy wives in the 1950s

In the 1950s, they were marketed as time-saving conveniences for young families, especially those living in the rapidly expanding suburbs, who could easily find them in local supermarkets, making them a seemingly sensible alternative to fresh foods.

America's oldest companies still operating today

Did you know that the Ticonderoga pencil company dates back to 1795? Or that Baker's Chocolate started in 1765? This visualization depicts the oldest American companies that are still in operation today in a timeline—see it here.

The unexpected origin story of the snow globe

In 1900, a Vienna tradesman named Erwin Perzy I was attempting to invent an inexpensive way to improve light amplification in hospital operating rooms. After experimenting with a glass globe filled with water, the idea for the snow globe struck. Industrious as well as inventive, Perzy eventually turned his idea into a successful business. Read the full article to learn how the invention grew to become recognized globally.

A joke about mercury in an elevator led to the invention of emoticons

A false message about mercury contamination was posted in response to a physics problem on Carnegie Mellon's discussion board in 1982, which some users took seriously. The need to indicate which messages were jokes led to the creation of facial expressions using special characters.

Mister Softee started as two brothers in a Chevy van

The company began on St. Patrick's Day in 1956, when James and William Conway made their way across Philadelphia, selling green-hued ice cream. They weren't the first to sell ice cream from a truck, but they perfected it—thanks to the know-how they acquired working for the Sweden Freezer Manufacturing Company.

The word ‘coupon’ comes from a French word meaning ‘to cut’

The history of coupons starts in the US with the Coca-Cola coupon that was mailed to consumers, offering them a chance to come try the soda for free in a nearby pharmacy. A coupon created by cereal company Post is one of the earliest widely cited follow-ups—it offered a penny off a box of Grape Nuts in 1909.

Trader Joe's hired a college student to advise on health food lingo

The grocer jumped into the 1970s health food movement by selling granola, fresh juice, nuts, and raw milk. Joe Coulombe, the company’s founder and namesake, hired “a young hippie woman” from the University of California at Santa Cruz to teach employees the language of the health food movement to properly label their products.

Toasting with ‘cheers!’ comes from Anglo-French

Etymologists trace the word back to about 1200 CE, when Anglo-French became the vernacular after the Norman Conquest of 1066. “Chere” meant “the face,” or an expression, often of joy. After that, it was used in the 18th century as a form of encouragement before becoming a common toast in the 20th century.

Before Silicon Valley became the largest tech hub in the world, it was an agricultural area known for its flowers and fruit

It was called the “Valley of Heart’s Delight.” This video by Vox explains how the area went from growing prunes to producing computer chips. It also explains how Stanford University had a big impact on the area’s development.

Merck developed MDMA in the early 1900s as part of its effort to create a blood clotting drug

The company's chemists were attempting to synthesize a substance that could compete with an existing patent for the best clot medicine of that time, hydrastinine. MDMA was the byproduct of that effort.

Protesters in Boston tossed chests of a type of Chinese black tea called Bohea

There were hundreds of chests of loose tea dumped into Boston Harbor on Dec. 16, 1773, in protest. The tea was not bagged (tea bags were not invented for another 150 years), and they were not bricks, either, a common way to pack tea elsewhere in the world. The tea was mostly Bohea tea, a common Chinese blend of black teas originating from southeastern China.

A group of 88 kindergarteners creates heartfelt centerpieces defining what love is for their teacher's wedding

Ahead of her big day, a kindergarten teacher came up with an idea to have her students help decorate her wedding tables. Teachers prompted their students to fill out the prompt "love is…" and found that the children shared a variety of heartfelt responses.

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

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

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.

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

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.

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

20,000 letters to the advice columnist 'Dear Abby' provide insight into prevailing sex, religion, and LGBTQ fears, anxieties, and concerns from the 1950s onward.

A vending machine run with Anthropic's AI went out of business after it was convinced to give away items for free and sell a video game console.

In its famous catalog, Sears sold $600 DIY house kits from 1908 through the 1940s, resulting in an estimated 100,000 'Sears and Roebuck homes.'

Clever Hans was a 1900s horse that was believed to be able to solve math equations, tell time, and read and comprehend German, until a psychology student discovered how he got his answers.

Telehealth demand for GLP-1s for weight loss is booming as consumers seek easier access.

Budweiser stores yeast derived from the original 1800s strain in a secret bunker, which only the Head of Yeast Management can access—not even the CEO

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

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

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

Walt Disney's early film 'Alice's Wonderland' was a groundbreaking innovation in the silent film era

Sony set the standard for cylinder-shaped batteries when it repurposed manufacturing equipment used to make rolls of magnetic recording tape.

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

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

Sunflowers have long been a symbol of nuclear disarmament because they can extract large amounts of radioactive cesium from soil.

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.

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.'

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

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