The British Empire, explained

Watch the British Empire expand and recede over 5 centuries

This interactive map traces the British Empire from 1450 to today—showing its explosive 19th-century expansion to one-quarter of the world's land and its steady contraction after World War II.

A small island nation built the largest empire in history

See how Britain grew from a small kingdom into a global empire ruling nearly a third of the world, then unraveled through war, nationalist movements, and declining power—leaving just 14 overseas territories as remnants of its once-vast domain.

The history of the British Empire—all in a single take

This video delivers a rapid, rhyming walk-through of the British Empire—filmed in one continuous shot aboard a sailing ship and featuring costumed actors portraying figures from Sir Francis Drake to Pocahontas.

A 1908 toy visualizes how the sun never set on the British Empire

Researchers uncovered an early-1900s children’s toy that romanticized the British Empire: a rotating world map showing where the sun shone on Britain’s far-flung territories. The interactive device also served as an advertisement for "The Children’s Encyclopedia."

How the British Empire transformed into today’s voluntary Commonwealth of Nations

This video explains how former British colonies—now independent states—evolved into the modern Commonwealth, a loose association representing nearly one-third of the world’s population. It traces the shift from imperial rule to a cooperative forum with no legal obligations to Britain or its monarch.

Hear about the legacy of the British Empire

This popular history podcast hosts a discussion about the legacy of the British Empire with guest Sathnam Sanghera, a journalist and author of the books "Empireland" and "Empireworld." The conversation contemplates the impact and lasting legacy of the Empire.

British rule in India wasn’t deliberate—it developed from trade

This academic explainer shows how Britain’s rule in India evolved from unplanned trading footholds to complete imperial control. It examines the decline of the Mughal Empire, economic expansion, racism, rebellion, and the mixed legacy of institutions and exploitation that still shape India today.

An alternate-history BBC homepage imagines a world where the British Empire endured

An image on Reddit envisions a 2021 BBC homepage from an uncollapsed Empire, featuring hypothetical crises in Zimbabwe, Northern Ireland, and Barbados, alongside upbeat coverage of tourism in “British Palestine”—a snapshot of how imperial news might look today.

See how Britain promoted imperial trade through 1920s propaganda posters

This photo gallery showcases posters from the Empire Marketing Board, created after Canada gained dominion status in 1926. The campaign encouraged Canadians to buy goods from across the British Empire, producing more than 800 posters displayed nationwide.

Ancient Rome explained

Ancient Rome left a high water mark on ancient civilization with its pragmatism and administrative prowess, dominating through its efficient military, engineering, and administration. At least 50 million people—a quarter of the world population—inhabited the empire, covering 5 million square miles at its height.

The rise and fall of the Byzantine Empire

A short but informative TED-Ed video summarizing the most important aspects of Byzantine civilization: how it all started, why Constantinople was so special, a few remarkable Byzantine authors (including Princess Anna Comnena, historian of her father’s reign), the Ottoman conquest, and why don’t just call the Byzantines “Romans.”

European powers carved up nearly all of Africa in just 4 decades

This video explains the "Scramble for Africa," when seven European nations seized over 90% of the continent between 1870 and 1910. Only Liberia and Ethiopia remained sovereign as imperial competition redrew Africa’s borders and reshaped its future.

The world's different calendars, explained

The calendar we use to mark the days, months, and year can feel set in stone, but the history of calendars shows these organization systems can and do change. Parse the fascinating, complex details of the Gregorian, Julian, Chinese, Hebrew, and many more calendars in this comprehensive, well-executed explainer video.

The Soviet Union explained

From 1922 to 1991, the Soviet Union spanned one-sixth of Earth’s landmass and housed nearly 300 million people. As the most significant test of Marxist governance, it sat at the center of the century’s defining struggle between capitalism and communism.

What was the Great Inca Road?

In little more than 100 years, it grew from a small kingdom in the highlands of Peru to become the largest empire in the Americas. Read about the critical role played by the Great Inca Road.

An animation illustrating the enormity of the universe

Look around you. Where are you? Where is this place you are occupying? Somewhere in a room, maybe in a city on a continent on a planet orbiting a star in a galaxy among billions. But… where is all of that?

A brief video explainer on the US 'One China' policy

Wondering what the "One China" policy means? This four-minute explainer video delves into which nations recognize Beijing as the seat of the Chinese government and which recognize Taiwan as such. Meanwhile, the United States of America views Beijing as the true government while maintaining relations with Taiwan, including selling them arms to protect themselves.

What (and when) was Imperial China?

China's first dynasty arose in 1600 BCE, according to current archaeological evidence, and its last dynasty fell in 1911. Learn more about Imperial China in this Smithsonian collection of articles and artifacts on each dynasty. According to...

How K-pop conquered the world

How did Korean musical acts go from unpopular and at times maligned to filling arenas and creating one of the most viral music videos of all time? This 25-minute audio documentary from BBC World Service explains how social networks, plastic surgery, and government tax breaks helped turn K-pop into the multibillion-dollar global juggernaut we know today.

The Aztec capital fell after a brutal 75-day siege

The violent Spanish conquest ended with a 75-day siege of Tenochtitlan, where thousands died as Spanish forces and their Indigenous allies overwhelmed the city of 200,000. This animated explainer breaks down how those alliances enabled the empire’s collapse.

Stonehenge, explained

Located about 90 miles west of London, Stonehenge was built around the same time as Egypt’s Great Pyramid. Its 30-ton stones have fascinated archaeologists and historians for centuries, making it one of the world’s most studied prehistoric sites.

The Triple Crown, explained

Only 13 horses have ever won the Triple Crown—one of the most elusive titles in American sports. This explainer breaks down how the series works, why it's so difficult to win, and the legendary horses that defied the odds across the Kentucky Derby, Preakness Stakes, and Belmont Stakes.

Visualizing the world's wealth in 2019

The world has a net worth of $360T. The U.S. economy continues to dominate given its sheer size, Asia and Europe are not that far behind.

Inflation explained in under 3 minutes

Keep seeing inflation in the news, but don't have a great grasp on what it means or how it works? This overview from 1440 breaks down how economists think about inflation, what it means for the average consumer, and how governments attempt to keep rising prices in check through various policies.

The NBA, explained

From humble beginnings in 1891, basketball transformed into the global juggernaut we know today. The NBA, established in 1949 and later revitalized by Commissioner David Stern in the 1980s, became a model for sports branding, player marketing, and international expansion.

Explore an interactive map of battles from the American Revolution, along with detailed summaries of each engagement

Explore the history, structure, and species of Australia's Great Barrier Reef with this interactive journey narrated by Sir David Attenborough.

After NASA's Voyager 1 captured Earth as a single pixel as it left the solar system in 1990, astronomer Carl Sagan used the image to reflect on humanity's fragility and the responsibility to protect 'the only world we've ever known.'

Visualize the path of every solar eclipse from 1900 to 2099 and see what each looks like when observed from different locations on Earth.

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

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

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

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight

According to the physics of black holes, our 4D reality may be a hologram—a projection of information coded on a 2D surface on the edge of the universe.

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

A century of Billboard issues documenting the evolution of popular music.

See how Ebola tore through Guinea, Sierra Leone, and Liberia in 2014-2016.

While the sun's gravity keeps the planets in orbit, their gravity also pulls on the sun, causing it and everything else in the solar system to orbit around a mutual balance point called the barycenter—the true center of the solar system.

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.

Browse a detailed visual analysis of over 200,000 similes—comparisons that often use 'like' or 'as'—from popular fiction to see how frequently writers the same idiomatic expressions.

How Amazon operates a 'flywheel' business model, a self-reinforcing cycle that drives continuous growth

US consumers collectively owe more than $1T to credit card companies—almost as much as they owe in auto loans.

See how fireworks are made and learn how metals like magnesium and copper are responsible for different colors.

The Mona Lisa's celebrity status and repeated restorations have obscured what made the painting so revolutionary for its time

Electrical grids worldwide must double their power delivery capacity by 2050 to meet surging demand from AI and electric vehicles.

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

Bone marrow (soft tissue found inside certain bones) generates roughly 500 billion new blood cells each day

Learn how to read a prospectus, the juicy document that any company must file with the SEC before going public.

Double world record holder Hunter Ewen helped conquer his fear of balloons, called globophobia, by training to win Guinness World Record titles for balloon inflation.