The diplomat who implemented Monroe's policy introduced the poinsettia to the United States

The intellectual architect of the Monroe Doctrine was Secretary of State John Quincy Adams, not Monroe

Adams, the main foreign relations authority in the Cabinet, shaped the key parts of the Monroe Doctrine speech. He advocated for a unilateral American declaration to warn European powers, rejecting a potential joint statement with Britain favored by some Cabinet members.

Zachary Taylor became a national hero during the Mexican-American War

General Zachary Taylor led US forces to key victories in northern Mexico, earning widespread fame for his leadership. His popularity from the war propelled him to the presidency in 1848.

Marigolds are an iconic symbol of Day of the Dead

The native Mexican flower performs several functions in Day of the Dead celebrations. Its vibrance and unique scent help guide wandering souls home, and its cheerful color reminds celebrants that death can still be joyful.

France invaded Mexico to install a puppet monarchy and recover debt

Napoleon III used Mexico's default on foreign loans as cover for a larger imperial ambition: overthrowing President Benito Juárez's government and installing a French-backed monarchy. The Mexican army's surprise victory at Puebla helped delay those plans by nearly a year.

Santa Barbara’s Botanic Garden was the first to showcase the state’s native plants

Founded in 1926, the garden’s founders sought to showcase the state’s local flora as a matter of conservation, rather than the water-hungry exotics regularly being imported. This story focuses on how the garden’s design took a more natural and less formal direction.

Cinco de Mayo holiday celebrations originated with California's Mexican Americans during the Civil War

California Latinos first celebrated Cinco de Mayo in 1862 through patriotic assemblies called Juntas Patrióticas. Ardent Union supporters, these individuals saw the Puebla victory as a win for democracy against both French imperialism and the Confederate cause.

Poison ivy was sent to Europe in the 1600s as an exotic, ornamental oddity

The plants were grown in the English royal gardens at Kew, the Faculty of Medicine in Paris, and a few other locations.

Washington systematically introduced and popularized mule breeding in the United States

Known as "the father of the American Mule," Washington imported a prized Spanish donkey and bred it with a female horse at Mount Vernon. He promoted mules as stronger, more efficient farm animals, helping spread their use across the South and transforming American agriculture.

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.

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.

James Hemings, Jefferson's cook, popularized mac and cheese in the US

The statesman sent Hemings to France to sharpen his culinary skills where he picked up recipes of baked pasta with cheese and butter. The recipe Hemings likely dictated to Jefferson was later used in an 1802 White House dinner, the first major public dinner in the US to include the dish.

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.

Teddy Roosevelt was given a daily dose of saccharin

America's 26th president was prescribed a sugar-free diet by his clinician, so when the chief chemist for the US Department of Agriculture approached him with concerns about the product's safety in the early 1900s, the duo clashed over how to regulate it.

In 1949, O’Keeffe moved to the tiny desert village of Abiquiu, New Mexico

After nearly 15 years of trying to buy an idyllic hacienda from the church, she succeeded and moved in in 1949. The three-acre property featured a view of the Chama River Valley, which inspired many of her paintings.

The Corps traded gifts with many native tribes as a sign of goodwill

They offered peace medals, beads, cloth, and mirrors, while receiving food, horses, furs, and guidance that helped them navigate and survive the western wilderness. This image collection showcases items the expedition collected.

The US used military pressure to force Japan to open to foreign trade in the 1850s

Commodore Matthew Perry arrived in Edo Bay (now Tokyo Bay) with heavily armed warships, pressuring Japan to open its ports. His expeditions led to the 1854 Treaty of Kanagawa, which opened two ports for supplies and established formal US-Japan relations. Full commercial trade followed later under the 1858 Harris Treaty.

Machu Picchu before it was a tourist attraction

The Machu Picchu we know today is familiar thanks to its neatly manicured plazas, lovingly preserved stone buildings, and ever-present hordes of tourists. But that’s not what Hiram Bingham saw when Melchor Arteaga led him to the site in 1911. Back then, it lay covered by centuries of tropical overgrowth.

Guitarist Charlie Byrd brought bossa nova to the US after a government-sponsored tour

The Mutual and Cultural Exchange Act of 1961, also known as the Fulbright–Hays Act, sought to spread understanding through education and cultural exchanges. Its passage led to a government-sponsored music tour of South America featuring jazz guitarist Charlie Byrd. In Brazil, Byrd was introduced to the music of João Gilberto and returned to the United States eager to incorporate bossa nova into his own music.

Picasso was initially ignored by the US art market

Picasso’s now-iconic style was radical for its time and, as such, was something the US art market initially ignored. Hugh Eakin, author of “Picasso’s War: How Modern Art Came to America,” tells the story of the social norms, tax laws, and influential figures like lawyer John Quinn that set the course for modern art in America in the early 1900s.

The Adams family brought the first pets to the White House

When John Adams became the first president to live in the White House, Abigail brought along the family's dogs—making them the first presidential pets to reside there. Abigail was known for her love of dogs.

The Smithsonian was first funded by a man who never visited the US

The Smithsonian Institution was established through a gift in the will of James Smithson, a British scientist who never visited America but left his fortune to establish an institution dedicated to the "increase and diffusion of knowledge."

Presidents invite guests to personalize the State of the Union

The tradition began in 1982 when Ronald Reagan honored Lenny Skutnik, who rescued a survivor from the icy Potomac after a plane crash. Since then, presidents have spotlighted a wide range of guests from Rosa Parks to Rush Limbaugh to humanize and reinforce policy themes.

'Johnny Appleseed' was the itinerant horticulturalist John Chapman

Born in 1774 in Massachusetts, Chapman planted apple orchards for pioneers across Pennsylvania, Ohio, and Indiana, to be sold to locals to produce hard cider. He became famous through a 'Harper's Weekly' profile in the late 1800s, cultivating the modern legend.

Spanish Colonial Revival favors red clay roofs, white stucco, decorative ironwork

The style recalls the motifs of structures in both Europe and in colonial Spain. Beyond clay roofs and stucco, the design also showcases arches and arcades, painted tiles, towers, and more.

Mini-portraits were shared as love tokens in Elizabethan England

Art historians are identifying previously unknown works by Nicholas Hilliard, Elizabeth I's court painter, whose thumb-sized watercolors on vellum served as love tokens, diplomatic currency, and status symbols. They were believed to be passed secretly between courtiers and monarchs.

Missouri's nickname refers to its residents' skepticism

While the exact origins of the nickname are unclear, many attribute it to Congressman Willard Duncan Vandiver, who served in the United States House of Representatives from 1897 to 1903. In a 1899 speech, he said, "I come from a state that raises corn and cotton and cockleburs and Democrats, and frothy eloquence neither convinces nor satisfies me. I am from Missouri. You have got to show me."

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

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

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.

Quincy Jones' 'Big Band Bossa Nova' helped introduce bossa nova—a jazz-influenced Brazilian genre—to the US

Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real

Mark Twain spent decades feuding with the US Postal Service, convinced its costs and regulations were bureaucratic overreach.

American short story writer Flannery O'Connor raised 40 peacocks, which became potent symbols for her fiction's elegant violence

The American cockroach is actually from Africa, an apparent hitchhiker aboard ships carrying enslaved people, with evidence suggesting the bug may have arrived in the New World as early as the 1600s.

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

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

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.

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

See a 3D reconstruction of Tenochtitlan, the Aztec capital that was home to an estimated population of 200,000 to 400,000.

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

One of the most famous portraits ever taken is 'Afghan Girl' (1984) by Steve McCurry, yet the subject Sharbat Gula went much of her life without being identified or benefitting from the image's success.

Apollo astronauts left items in the moon's 'toss zone,' including golf balls, family photos, and bags of human waste, to make room for lunar rocks.

The hormonal disorder PCOS was renamed PMOS in 2026, a move designed to improve care and research by shifting the focus to the hormonal causes of this condition that affects 1 in 8 women.

Planeterrellas create artificial auroras that mimic the atmospheric displays of light by setting up an electric field between two metal balls in a jar filled with a small amount of air.

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.

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

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

Domino's Pizza's 30-minute delivery guarantee was responsible for the chain's 1980s surge, but it was discontinued after the company was found liable for delivery driver accidents.

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.