Trans-Atlantic and intra-American slavery: a visual database

Visualizing the trans-Atlantic slave trade in two minutes

This animation shows all recorded slave shipments from the 16th to 19th centuries, conceptualizing not only the slave trade with America but South America as well.

A timelapse mapping more than 30,000 Transatlantic slave ship voyages

Roughly 12 million people from Africa were forcibly moved to North and South America over two centuries. This map meticulously showcases every ship's origin, destination, timeline, and more, revealing the scale of the Transatlantic slave trade.

Mapping the known ports involved in the trans-Atlantic slave trade

Based on historical logs, this interactive maps shows info from various ports of departure and arrival during the height of the trans-Atlantic slave trade.

A map of slavery's spread across the US

Need a visual on how prevalent slavery was in the US? Scroll through this interactive map and timeline based on census data from 1790 to 1860.

Nineteenth-century, hand-drawn infographics on US slavery and race

In the second half of the 19th century, researchers studying the behavior of the millions of emancipated Americans after the Civil War used "information graphics" to cut through the noise of racially charged debate. In this collection from Stanford, you can see century-old, stunningly hand-drawn data visualizations showing racial demographics, the effects of emancipation on cotton prices, and more.

The trans-Atlantic slave trade brought over 10 million enslaved people to the Americas.

Slavery in the US: a timeline

In 1619, a ship with 20 captives landed at Point Comfort in Virginia, ushering in the era of American slavery. Scroll through this timeline to learn more about slavery in the US and its long lasting effects.

See a data visualization of the East India Company's trade

This tool visualizes the East India Company’s trade from 1760 to 1834, letting you track shipments of tea, textiles, metals, and more. Users can sort by commodity, origin, destination, and date to see London’s vast imperial supply network that shaped the British Empire.

Markers along the Underground Railroad

An interactive map of all National Park Service designated sites that were part of the Underground Railroad, helping shuttle escaped enslaved people to freedom.

That time British slavers killed enslaved people and filed for insurance reimbursement

In 1781, a British slave ship tossed 132 enslaved Africans overboard, leaving them to drown. This 52-minute podcast explores the context behind the massacre and its implications. The slavers of the ship named Zong sought insurance reimbursement for...

See a timeline of colonial settlement in North America.

What was life like as a slave in the US?

Over 2,500 former slaves were interviewed by writers and journalists in the late 1930s as part of the US Federal Writer's Project. The collection recorded images and firsthand verbal accounts of life as a slave, eight of which are highlighted in this article at the Library of Congress. See the humanity in each of these individuals with their firsthand accounts.

Interactive human migration map

Using archeological, genetic, and climate data, scientists have pieced together an outline of the human odyssey—the journey that took our species from Africa to all corners of the globe. Experience this 200,000-year migration using an interactive human migration map.

See the real-time numbers of ships traversing the canal each day

This platform uses satellite data to track chokepoints and trade disruptions along the shipping lanes that crisscross the globe. Search for data from more than 1,600 ports, or run the climate scenario simulator.

Mapping the route options between the Pacific and Atlantic

This map shows some of the alternative trade route options that are available to shipping companies, from overland routes that rely on railways to transport goods coast-to-coast, to Arctic Ocean passages.

Visualize the global Venezuelan diaspora

This visualization maps Venezuela’s mass diaspora, showing how millions have fled abroad—primarily to Latin America, with significant flows to the US and Europe—creating one of the most significant displacement crises in the world.

Explore a database of more than 220,000 shipwrecks, the largest compilation to date.

A free archive of firsthand historical documents from explorers of America

Maintained by the Wisconsin Historical Society, the American Journeys collection contains more than 18,000 pages of primary source documents—journals, letters, maps, and accounts written between roughly 1000 CE and the early 1800s. These include eyewitness records of the Norse arrival in North America, Spanish conquistador expeditions, and the Lewis and Clark journey. Browse this list of highlights where pages from the original texts are specified (clicking a link opens a PDF).

Zora Neale Hurston used her anthropological training to interview a man who had survived the slave trade

The writer's interviews with Cudjo Lewis documented the man's enslavement and travel from Africa to the United States. It also captured the story behind Africatown, a community in Alabama that emerged after the Emancipation Proclamation. Hurston's book was not published during her lifetime, though it was finally released in 2018 as "Barracoon: The Story of the Last 'Black Cargo.'"

Explore the British Museum's collection across time and continents in this interactive Google Arts and Culture experience.

Explore a map of global native lands

This interactive map visualizes Indigenous territories across the world. Users can search by location, language, or tribe to explore the histories, cultures, and present-day communities connected to specific lands.

The southbound Underground Railroad: finding freedom in Mexico

Until recently, the southbound Underground Railroad, as some scholars call it, has been largely overlooked, mainly because it left so few traces in surviving records. Read this article to learn more about this dangerous path and its travelers.

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

View animated battle maps from every major skirmish of the American Civil War.

Enslaved and in debt: the French roots of Haiti's struggles

This investigative infographic details how Haiti was forced to pay for its freedom twice: once in blood and once in cash. In August 1791, Haiti's enslaved population launched a revolt against French colonists, successfully establishing Haiti as a...

An encyclopedia of anthropology

This online database offers articles and additional resources for all things anthropology. This free resource is filled with peer-reviewed entries that cover topics ranging from addiction to writing, and offers anthropological insight into more...

An eye-opening interactive journey into the global drug trade

POPPY Interactive reveals how drug money destabilizes entire countries, fuels global conflicts, and allows a worldwide illegal economy to grow. Navigating the site involves diving into three major routes—the Northern Route, the Balkan Route, and...

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

Listen to firsthand accounts of how Black Americans fought to end slavery and shape Reconstruction

This podcast explores the actions of Black Americans who fought for freedom before, during, and after the Civil War—highlighting their key role in abolition and the Reconstruction era.

View live conflict data, military flights, ship tracking, and market feeds in one dashboard

The free tool pulls from conflict databases, military flight transponders, and maritime vessel trackers, layered over 45 map overlays and 435 news feeds in 21 languages. It is reportedly used by over two million people across 190 countries.

Visualizing the world's food supply chains

The world's food supply chain is complex and lopsided, with much of the world's nutrient-rich food ending up in Europe and North America. This visualization illustrates the paths our food takes around the world, from starchy vegetables in...

Track the changes in US immigration law throughout history

This interactive timeline tracks the development of US immigration law, overlaid with time-series data on percentages of the foreign-born population. Explore how each major policy development correlated with immigration levels, revealing the relationship between legislation and demographic change.

Charting 4,000 years of human history

Care to hang all of human history on your wall? This data visualization charts 4,000 years of humanity. This "histomap" was originally published in 1931 and sold for $1 per copy of the 5-foot-long chart. It was said to detail the course of...

Learn how Mexico’s anti-slavery stance shaped the US–Texas conflict

Historian Alice Baumgartner explores how Mexico’s abolition of slavery clashed with Anglo settlers' ambitions in Texas. The episode reveals how enslaved people fled south to freedom, reshaping the politics that led to Texas independence and the Mexican-American War.

Here's how humans migrated across the world

From our deepest origins in Africa all the way to the Americas, by looking at the fossils and archaeological materials we have been able to trace the path our ancestors took during thee short window of time when we took over the world.

The 13th Amendment's criminal exception enabled new forms of forced labor

Southern states exploited the amendment's clause allowing slavery "as punishment for crime" to arrest thousands of Black Americans on minor charges, leasing them to private employers through convict labor systems that persisted for decades.

A podcast detailing the drug markets of East and Southern Africa

The African continent plays a critical role in the global illicit drug market. Often forgotten when discussing drug trafficking, organized criminal networks in Africa have established relationships with other criminal organizations around the world....

The transatlantic cable allowed for communications between North America and Europe

It had significant impacts on just about every industry, including finance. Specifically, the transatlantic cable made it so that real-time financial transactions could take place across the Atlantic, and allowed for much faster sharing of information that increased global market accuracy.

The World Bank’s population data bank

This website by the World Bank provides visualizations for demographic data from around the world. Specific demographic data, such as total population, can be viewed through maps, charts, and graphs. Results can be filtered by sex, country, or year....

Spartacus: Enslaved ancient Roman gladiator turned revolt leader

Sold into slavery and forced to be a gladiator, Spartacus ultimately took the fight outside the arena and revolted against the Romans. This article dives into the history of the rebel leader. Spartacus was originally from Thrace, a part of ancient Europe that included parts of modern-day Bulgaria, Turkey, and Greece. Exactly what led to his enslavement is unclear, but it likely involved ancient Rome's attempt to subjugate Thrace.

Abolitionists shaped American history from the Revolution to the Civil War

Abolitionists of all backgrounds organized against slavery from the founding era onward. Historian Manisha Sinha argues that their decades of activism fundamentally shaped American democracy and made emancipation possible.

The South built its wealth largely from slave labor

Before the Civil War, the Southern economy relied on roughly 4 million enslaved people producing cash crops such as cotton, rice, and sugarcane. Their forced labor generated immense profits—the South produced 75% of the world's cotton by 1860.

Experience over 100 years of basketball history with a visual, interactive timeline.

Robert Smalls escaped slavery by piloting a stolen Confederate ship to freedom, then became an influential Black political leader during Reconstruction.

Explore an interactive timeline and map of dinosaurs across the globe

This tool maps dinosaur habitats based on fossil sites around the world. It includes short articles and additional information—including size, diet, and weight—about each dinosaur. A timeline and data table also allow users to compare dinosaur emergence and extinction dates.

Pompeii’s ruins expose the brutal realities of Rome’s sex trade

Drawing on graffiti, slave collars, brothel art, and the story of “Eutychis, a Greek lass with sweet ways,” this piece reconstructs the violent, coercive world of Pompeii’s enslaved prostitutes—and how their owners controlled, renamed, and exploited them.

Explore an interactive timeline of technological inventions and social structures since 1500.

Mapping the origins of the world's crops

Food has evolved alongside humanity, and through globalized trade, much of the world can enjoy foods once isolated to one region. Examine where your favorite foods originated from and see how diet differs across cultures with these interactive...

Explore a searchable map of underwater cables carrying internet traffic worldwide

The Submarine Cable Map provides users with data from TeleGeography's Transport Networks Research Service on individual submarine cables, including cable owners, suppliers, URLs, landing points, lengths, and notes of interest.

The history of infographics: cave art to interactive visuals

When did humans first create infographics? This article and related infographics detail how artistic data representations have evolved alongside humans and other hominins. The roots of infographics can be traced back to cave paintings, such as...