The origins of Father's Day

Father's Day started as a tribute to deceased coal miners

In 1908, a church in West Virginia honored 362 men who had been killed in a coal mining explosion the previous year. However, Father's Day wouldn't be declared a national holiday until 1972.

The history of Mother's Day in the US

Mother’s Day is a holiday honoring motherhood that is observed in different forms throughout the world. Learn about the origins of the official holiday in the US with this in-depth breakdown of the holiday, from the 19th-century women's movement to the commercialization of Mother's Day sales.

The devastation of the American Civil War led to the establishment of Memorial Day

Tracing its origins to the post-Civil War era, Memorial Day began as local tributes to those who lost their lives in the war. Originally taking place annually on May 30, it was moved to the final Monday in May in 1971.

George Washington's birthday was a federal holiday until it was moved to the third Monday in February in 1968

Washington's February 22 birthday became a federal holiday in 1879. A 1968 law moved it to the third Monday in February, and decades of advertising popularized the unofficial name "Presidents' Day," which the federal government never formally adopted.

July Fourth wasn't always a holiday, and its meaning has changed over time

This podcast explores how July Fourth evolved from an ordinary day into a national holiday, tracing its radical origins, the shifting interpretations of the Declaration, and how later generations claimed its language of liberty and equality.

Extremely rarely, there can be twins with different dads—but fewer than 20 such cases are documented worldwide

The non-identical twins, who would also be half-siblings, result from a rare biological phenomenon called heteropaternal superfecundation. Britain's first known twins with different dads, featured in this article, learned of each other's existence in recent years, when they were both 45. They discovered each other after taking DNA tests from Ancestry, a genealogy company.

The origins of World Laughter Day

Every first Sunday of May worldwide, World Laughter Day is observed, where people gather in public places and laugh. Dr. Madan Kataria developed the ritual based on the facial feedback hypothesis, which posits our facial expressions can affect our mood. The day, first started in 1998 in India, has grown exponentially in recent years. Meet the chortler-in-chief here.

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.

Walter Camp shaped the rules that transformed football into the modern game

Known as the “Father of American Football,” Walter Camp introduced key innovations in the 1880s—such as the line of scrimmage, the system of downs, and the snap—that distinguished football from rugby and defined its modern structure.

The US officially adopted an income tax in 1913

The US first levied income taxes during the Civil War, but modern income taxes became an American fixture in 1913. Two years earlier, Congress passed the 16th Amendment to give the government the right to tax individuals' and businesses' income. The US still technically levies the same federal income tax now as it did then—though it's evolved.

Father Christmas was originally associated with decadent parties

The English figure of Father Christmas is another component of the character that would become Santa Claus. Father Christmas was depicted as eating and drinking to excess until the more austere Victorian era. He morphed into a figure dedicated to children and charity, eventually blending into the modern Santa Claus.

Singles' Day was created as a response to Valentine's Day

Inspired by people feeling left out by Valentine's Day, the Chinese holiday celebrates the unattached. It takes place Nov. 11, sometimes referred to as "Double 11," and has become a major shopping day, with over $202B spent on that day in 2024.

Mexican Independence Day is celebrated on September 16

Cinco de Mayo is widely mistaken for Mexican Independence Day. September 16 is the actual date, commemorating the 1810 Grito de Dolores, Father Miguel Hidalgo's call to revolution that launched Mexico's war against Spanish colonial rule.

What employers can do about parental stress

The US Surgeon General recently released a formal warning deeming parental stress a public health issue. The advisory also included recommendations for how employers can mitigate the issue. Employers can help their employees access child care, for instance, or provide flexible working hours. To find out more about what the Surgeon General prescribes, read more here.

In 1924, the department store Marshall Field's invented the first modern 'wedding registry'

However, there were many traditions around wedding gifts before the wedding registry was invented, too—from dowries to marriage chests. Read about the history of the wedding registry in this article.

The Dow Jones Industrial Average was created in 1896

Charles Dow introduced the DJIA on May 26, 1896, as a simple average of 12 industrial stocks. Although it became the nation’s most enduring market index, none of its original companies remain in the Dow today.

No one's sure why it's spelled 'sundae'

There are several different folktales explaining the origins of the popular ice cream dish and its curious name. One claims an enterprising pharmacy used chocolate syrup instead of soda, which was banned on Sundays. Another claims the dish's unique spelling was to avoid offending religious folks who might object to an unholy reference to the Sabbath.

The Fair Labor Standards Act gave workers more time for vacations

The Fair Labor Standards Act of 1938 guaranteed time off for full-time employees, offering the opportunity for more vacations. Passed by President Franklin D. Roosevelt and celebrated by the labor movement, the law limited working hours, established overtime pay, and provided a minimum wage.

The Quartodeciman controversy debated what day to celebrate Easter in the early church

Asian churches marked Easter on the 14th day of the Hebrew month of Nisan (roughly March-April), while Roman churches insisted on Sunday. Polycarp of Smyrna, an associate of the Apostle John (who tradition says wrote one of the four Gospels) traveled to Rome to advocate for the 14th of Nisan. The Nicene Council decided that celebrating on a Sunday would ensure Christian unity and distinguish the observance from Jewish passover.

Many of the founding fathers were deists—believers in a God of reason

A uniquely American iteration of the Enlightenment movement thrived during the Revolution. This selection from a longer write-up on the American Enlightenment highlights six core ideas: deism, liberalism, republicanism, conservatism, toleration, and scientific progress.

Meet Alphonse Desjardins, a credit union pioneer

The first credit union opened in Germany in 1864, but the bank alternative didn’t reach North America until 1901. That’s when Canadian journalist Alphonse Desjardins introduced the concept to his hometown with a starter 10-cent deposit. Desjardins helped launch the first US credit union just eight years later. This engaging timeline highlights Desjardins, his contributions to credit unions, and how the institutions have evolved over the last 100-plus years. Scroll through the timeline here.

Earth Day began as a grassroots protest coordinated by a 25-year-old

With experience as a Vietnam activist and inspired by his upbringing in a polluted mill town, Denis Hayes drew 20 million participants to the first Earth Day after being selected to organize it. The momentum of the event—celebrated across about 10,000 schools and universities—pressured Congress to pass environmental legislation.

The word 'dude' was originally used as an insult

Although the actual origin of the word is unknown, stymologists found the first recorded use in the United States was in the 1880s and referred to a young man, usually from the East Coast, who was overly concerned with his appearance. "Dude ranches" were an informal name for the ranches out West that catered to these types of men.

Why meteorologists say summer starts June 1

There are at least two periods called summer: astronomical and meteorological. Astronomical summer mirrors the movement of celestial bodies and begins roughly around June 20, with the summer solstice. Meteorologists designate the beginning of June as the start of summer to make tracking weather patterns from year to year easier.

The most common birthdays

Nine of the top 10 most common birthdays fall in September, with Sept. 9 being the most common. However, August is the most common birth month, followed by July and December. On the flip side, the least common birthdays are around major holidays, with Christmas Day being the rarest—probably due to doctors scheduling fewer inductions and C-sections on those days. Find out more birthday surprises here.

The US Constitution is widely regarded as the longest-standing written national constitution still in force—see how it has influenced rights worldwide.

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.

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

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.

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.

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

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.

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

Sears sold DIY house kits starting at $600 in its famous catalog from 1908 through the 1940s, resulting in roughly 10,000 'Sears and Roebuck houses' being built.

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

About 12.5% of US adults experience a phobia in their lifetime, a diagnosis that hinges on the intense fear interfering with daily life and persisting for at least six months.

Use this tool to calculate the dollar value of your parental mental load, from meal planning to coordinating after-school care, then see resources that help generate solutions.

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.

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.

In 2026, Finland was named the world's happiest country for the ninth consecutive year based on its wealth, social safety network, and high life expectancy, among other factors.

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

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.

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

One disco producer saw 'Star Wars' four times on its opening weekend and was so inspired that he recorded the album 'Star Wars and Other Intergalactic Funk,' which produced a chart-topping single.

The USPS spent $3.97B in 2024, accounting for .058% of the federal budget.

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

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.

While El Niño moves warm Pacific Ocean waters east along the equator, La Niña moves them west, shifting where rainfall will become more common for months.

Cultural norms about how to handle the bodies of loved ones in communities in West Africa have hampered Ebola responses.

Legendary architect Frank Lloyd Wright designed the SC Johnson headquarters in Wisconsin, aiming to make a cathedral-like workplace