In the early 1900s, Fourth of July celebrations were so dangerous that a reform movement emerged to make them safer.

11 people died from firework injuries in the US in 2024, with most of those deaths involving misuse of the explosives and device malfunctions or misfires.

Fun family fireworks turn ballistic

The American Pyrotechnics Association estimates that over 10,000 injuries result each year from fireworks, close to three-quarters of which occur around the Fourth of July. This video shows just one rather explosive miscue.

Fireworks-related ER visits in 2024 increased by 52% as compared to the prior year.

Fireworks usage on Independence Day comes from their celebratory use in ancient China

Burning bamboo stalks produces a small explosion that was believed to ward off evil spirits. As knowledge of fireworks, which initially used these stalks, carried over into other cultures, so did their use to promote good luck and celebration.

The deadliest fireworks accident in history was Marie-Antoinette's wedding

In 1770, a fireworks display in Paris celebrating the marriage of Marie-Antoinette to the Dauphin, later known as Louis XVI, resulted in as many as 3,000 deaths. Most casualties were caused by trampling from a panicked crowd of thousands rushing away after some fireworks were blown into the spectators.

Firework-related celebrations include an annual summer celebration in El Salvador, where residents throw kerosene-soaked balls to commemorate a 1658 volcanic eruption.

Americans' love of combining freedom and charred meat began in the 1800s

In the 19th century, politicians (particularly in Virginia) hosted large public barbecues to celebrate Independence Day and, of course, boost their own campaigns. When personal grills became common in the 20th century, the tradition moved into backyards and block parties, where it's still going strong today.

Learn more about the history of fireworks, which date back to an accidental invention during an alchemist's quest for information about immortality.

A New York fireworks ban necessitated a new way to ring in the New Year

In 1906, the city banned fireworks displays, forcing the Times Square celebration to find a new centerpiece. The Times commissioned Jacob Starr, a Ukrainian immigrant who worked for Strauss Signs, to develop an ornament. He returned with the now-iconic New Year’s ball.

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.

Firework or sparkler burns can have large effects on our hands' range of motion.

Massachusetts is the only state that bans all nonprofessional fireworks.

Americans spent an estimated $14.8B for the Fourth of July 2025.

Three of America's first five presidents—Jefferson, Adams, and Monroe—died on July 4.

Fireworks contribute to air, water, and soil contamination and disrupt wildlife

Fireworks displays have far-reaching environmental consequences, including acid rain from displays during storms and microplastic pollution in water supplies. Wildlife has also been seen abandoning sites during fireworks and never returning.

Beyond burns, fireworks can harm respiratory, auditory, and visual health.

Firecrackers on Lunar New Year originated to ward off evil spirits

Many countries have attempted to ban firecrackers, though some rolled back those restrictions for the sake of the holiday. This tradition, along with numerous other practices, has evolved for decades since the origin of the festival.

See images of medical cases of firework injuries shared on this 'Instagram for doctors.' (Warning: Graphic images.)

The "green men" were among the first European pyrotechnicians

In the 1600s, men wore leaf-covered caps when handling fireworks to protect against sparks. Headgear was also worn by those helping to maintain order when leading medieval fireworks processions, often acting like jesters to entertain viewing audiences.

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

Fireworks make a loud booming sound after explosion due to air expanding faster than the speed of sound.

A history of raising the alarm, from rattles to 911

Because fires spread so quickly, communities around the world have deployed many tactics to raise the alarm to get help. This history from the Museum of Natural History dives into the use of rattles, bells, and brigades to gather help to fight fires, showing just how far we've come since 911 was introduced in 1968.

Watch over a dozen fireworks effects

Adding pellets of salt to gunpowder within a fireworks shell causes them to explode with different colors, but the type of gunpowder used also has an effect. Finely ground gunpowder burns quickly, producing streaks that swiftly burn out.

Fireworks' chemical composition and internal layout produce their unique displays

The burning of different metal compounds, facilitated by combining fuel with oxidizers, results in explosions of varying colors. The timing and pattern are engineered through the arrangement of pellets and fuses.

Explore the chemical compounds found in fireworks

Besides the various salts and metals used to produce fireworks colors, shells are also filled with gunpowder and oxidizers to help fuel and accelerate reactions. Chlorates help strengthen colors, while dextrin, a starch, helps hold mixtures together.

Watch a drone flight through a fireworks display

This video explores the history, construction, and preparation of modern fireworks displays, including creating gunpowder from scratch. Experimentation with fireworks underwater is also featured, but they require special materials to prevent water from infiltrating the fireworks shell.

The National Mall hosts one of the country's largest July Fourth fireworks shows

Each Independence Day, the National Mall hosts a massive fireworks display coordinated by the National Park Service, drawing hundreds of thousands of spectators to the nation's capital.

One Chinese businessman controls 70% of the fireworks entering the US

A warehouse explosion in 2008 forced all pyrotechnic shipments to travel through the Shanghai port under three special permits Ding Yan Zhong was given. Since then, he has established a near-monopoly over the global fireworks distribution chain, with logistics and shipping hubs in China and California. (Some users may experience a paywall.)

The most fireworks launched from a pyrotechnics suit is 642

Frenchman Laurent Nat, a pyrotechnics artist and performer with over 10 years of experience, set the world record on June 13, 2014. The suit, inspired by clothes worn by professional firefighters, is made out of 100% cotton and incorporates stilts to allow fireworks to be fired in all directions.

'Silent' fireworks are not entirely noise-free

By using a reduced amount of flash powder—the ingredient responsible for the loud explosions that fireworks make—"silent" fireworks produce displays between 70 and 90 decibels, rather than the approximately 175 decibels heard in professional displays.

Well before the publication of 'Walden,' Henry David Thoreau nearly burned down his hometown

On April 30, 1844, the transcendentalist set a campfire that quickly grew out of control, burning 300 acres of woods near Concord, Massachusetts. For years, Thoreau remarked that other residents called him the "woods burner." Thoreau, though, felt no guilt, writing in 1850, "It has never troubled me from that day to this more than if the lightning had done it."

Visualize the components of fireworks

This article provides animated diagrams depicting how different parts of fireworks function. The elements work together through timed mechanisms to produce desired effects.

Watch a pyrotechnician answer questions about fireworks

Professional pyrotechnician Patrick Cyrana answers the internet’s most curious questions about fireworks, from designing ghost effects and exploring how electronic firing systems work to explaining what it takes to create displays in the rain.

The history of American summer camps

The modern summer camp was created in 1861 by a boarding school educator who wanted to teach his students military-grade self-sufficiency and discipline. Over the next century, the camp evolved, providing a solution for parents anxious about their kids' thin connections with nature and simplicity. This Atlas Obscura article traces the history from modest, independent operations to a sprawling seasonal industry.

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.

Fracking originated in the American Civil War

After witnessing how artillery created fissures in narrow water channels, a Civil War veteran wondered if the process could be replicated in underground wells to extract oil. He patented an "exploding torpedo" for this purpose, which became the foundation for future fracking techniques.

The massive gathering that rang in the first Earth Day

Earth Day was first celebrated in 1970 and helped inspire a significant nationwide environmental movement. In Philadelphia, the holiday was rung in with a gathering in the city’s Fairmount Park featuring musicians, speakers, and over 10,000 attendees. This video from CBS offers remarkable footage from the day and explains why Philadelphians were especially drawn to the environmental cause.

In 1639, Puritans in the Massachusetts Bay Colony banned toasting

Like the Anglo-Saxons and the ancient Greeks before them, the American colonists tended to party when they got to toasting. That led to a 1639 law banning the practice, which they viewed as excessive and superstitious. Alcohol remained legal, but the hope was that banning toasting might reduce excessive drinking.

Why people hated permanent daylight saving time in 1974

Messing with the amount of daylight each day has consequences, as America found out in 1974 when it first passed all-year daylight saving time. See why it was revoked less than a year later.

The ACLU was founded in 1920 in direct response to the suppression of speech during World War I

The mass arrest and prosecution of anti-war activists, socialists, and immigrants under the Espionage and Sedition Acts prompted a group of civil libertarians to form the American Civil Liberties Union to defend constitutional rights.

George Washington was a fan of barbecue

The first US president celebrated laying the cornerstone of the US Capitol by hosting a barbecue, the centerpiece of which was a 500-pound ox. By the 19th century, barbecue was a standard component of public celebrations, including Independence Day and Memorial Day.

An in-depth history of Guy Fawkes and the Gunpowder Plot

Guy Fawkes Day has been celebrated on November 5 in the United Kingdom for over four centuries, with bonfires, fireworks, and effigies. But who was Guy Fawkes, really? Learn about the Catholic radical who was a member of a group of 13 men eventually executed for their attempts to blow up Parliament and the king.

See how fireworks are made and which metals are responsible for different colors.

When police raided New York's Stonewall Inn, a well-known gay bar, in 1969, patrons resisted, leading to 6 nights of protests that would eventually inspire modern Pride celebrations.

One of the earliest Memorial Day ceremonies was held by newly freed Black Americans in South Carolina

On May 1, 1865, roughly 10,000 people, mostly freed slaves, paraded around a Charleston racetrack where Union prisoners had been buried, predating the first national commemoration at Arlington National Cemetery by three years.

Bill of Rights Day is commemorated annually in the United States on Dec. 15

The date marks the 1791 ratification of the first 10 amendments. President Franklin D. Roosevelt officially established Bill of Rights Day in 1941, on the document's 150th anniversary. Hear the speech he gave on that day.

The first Boston Marathon was held the next year

In 1897, the manager of the US Olympic team organized the first Boston Marathon, which featured a field of 15 runners. The race took place on Patriots Day, a holiday commemorating the first battles of the American Revolution.

Congress descended into fistfights, duels, and violence before the Civil War

In the decades before the Civil War, members of the United States Congress carried weapons, assaulted colleagues, and, in one case, a congressman killed another in a duel. The violence was driven largely by sectional conflict over slavery and foreshadowed the nation's descent into war.

President Abraham Lincoln was inspired by a novel to create the holiday

A writer and abolitionist from New Hampshire, Sarah Josepha Hale was instrumental in cementing many of the Thanksgiving traditions we celebrate today. Her 1852 novel "Northwood, a Tale of New England," described a feast with a roasted turkey, stuffing, plum pudding, and pumpkin pie. She wrote dozens of editorials and letters to politicians campaigning for the day to become a national holiday. In 1863 she was finally successful in convincing President Lincoln to make it official.

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.