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.

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

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.

Celebrations for America's 150th birthday in 1926 were a poorly organized mess that nearly bankrupted the host city of Philadelphia.

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.

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.

Congress actually voted to approve independence on July 2, 1776, leading many Founders to believe that would be the date Americans would one day celebrate.

This video highlights lesser-known facts about the Declaration of Independence, including that Congress approved independence on July 2—leading many Founders to believe that would be the day Americans would celebrate their independence.

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.)

Listen to how the 1902 'poison squad' experiments changed food safety in America

As part of government research, a group of young men were paid to eat standard American food—replete with food additives like borax and formaldehyde—which revealed the dangers of unregulated food. The work was led by the first FDA commissioner, Harvey Wiley, who helped end the "century of the great stomachache."

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.

A 1908 memorial service for a coal-mining disaster is considered the first Father's Day.

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.

According to a survey by the National Retail Federation, Americans were expected to spend over $9B on food for Independence Day in 2026.

New York was a hotbed of early revolutionary activity

In the decade before independence, New York City saw Stamp Act riots, liberty pole confrontations, the 1770 Battle of Golden Hill, and defiance of the Quartering Act, and organized efforts to block and destroy taxed British tea.

In the 19th century, ice-cream-related illnesses were somewhat regular in America thanks to vendors' poor hygienic practices.

'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 with an unruly campfire.

Pennsylvania's traditions of dropping foods for New Year's

Pennsylvania towns celebrate New Year's Eve with unique, food-themed drop (or raise) events that showcase local culinary pride. The town of Lebanon drops 250 pounds of bologna attached to a disco ball, with a crane, in a celebration of their local smoked sausage tradition. Find out several more wild traditions in this quick article.

Americans celebrated the end of the Revolutionary War with nationwide toasts

In 1783, citizens celebrated the signing of the Preliminary Articles of Peace with nationwide parties. Across the new country, many made 13 toasts to the 13 states. They also drank to George Washington. One poet in Boston wrote, “Health to his honor I’d freely drink, Had I a glass of wine; And whosoever with me shall think, May mix their toast with mine.”

The environmental crises of the late 1960s led to the founding of the EPA

Disasters such as the Cuyahoga River fire and the Santa Barbara oil spill prompted Congress and President Nixon to establish the Environmental Protection Agency in December 1970, with the goal of unifying federal efforts to control pollution.

A fire in NYC that burned a fifth of the city in 1776 may have been started under orders from George Washington.

Since 1776, the Declaration of Independence has served as a model for more than 100 nations and freedom organizations writing their own declarations.

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.

Who was behind the fatal 1982 Tylenol poisonings?

In 1982, an unknown suspect laced Tylenol packages with potassium cyanide in a Chicago pharmacy. Seven people were killed, and the case led to a nationwide panic, as well as the development of tamper-resistant packaging. No one was ever charged with the deaths, and the lead suspect died in 2023 after serving time in prison for trying to extort $1 million from a manufacturer to "stop the killing."

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.

Diphtheria was once a leading childhood killer before antibiotics and vaccines

In 18th- and 19th-century outbreaks, some New England families lost as many as eight children to diphtheria, and fatality rates in hospitals often topped 60%. The invention of antitoxins, penicillin, and vaccines dramatically reduced deaths.

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.