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History / U.S. History

Aaron Burr exhorting his followers at Blennerhassett Island Ohio River 1805

Thomas Jefferson, Aaron Burr and the American Way of Treason

The U.S. had good reason to be cautious about drawing a line between disloyalty and conduct deserving of prosecution

Beginning as a religious feast day, Saint Patrick's Day has become an international celebration of Irish heritage.

The Origins of Chicago’s Green River, Shamrock Shakes and Other Surprising Trivia About St. Patrick’s Day

From colonial patriots to mass-marketed milkshakes, the Irish religious holiday has morphed into a worldwide celebration

It will be quick and it will be hot.

The Innovative Spirit fy17

Hot Food, Fast: The Home Microwave Oven

A serendipitous discovery helped engineers harness radar to create the now ubiquitous timesaving appliance

An unemployed painter named Richard Lawrence attempted to assassinate President Andrew Jackson in January 1835.

The Attempted Assassination of Andrew Jackson

A madman, a conspiracy and a lot of angry politicians

Prison Ship Martyrs Monument

The Grisly History of Brooklyn’s Revolutionary War Martyrs

The Prison Ship Martyrs Monument, a crypt in Fort Greene Park, may become part of the national park system

Henry Peter Bosse Construction of Rock and Brush Dam, L.W., 1891 cyanotype

Photographs of America’s Eastern Treasures Finally Have Their Moment in the Limelight

A neglected period of American photographic history goes on display at the National Gallery of Art

Illustration titled, “If you want to get rid of mosquitos, drain the swamp that breeds them.” (1909)

History of Now

The Myth That Washington Was a Swamp Will Never Go Away

It makes for a catchy slogan used by politicians of all persuasions, but there’s little truth to it

Thaddeus Kosciuszko

The Polish Patriot Who Helped Americans Beat the British

Thaddeus Kosciuszko engineered the colonial defenses in some of the Revolution’s most critical battles

For years, boys at Fernald State School were subjected to experiments using radioactive tracers in oatmeal.

A Spoonful of Sugar Helps the Radioactive Oatmeal Go Down

When MIT and Quaker Oats paired up to conduct experiments on unsuspecting young boys

Puerto Ricans were granted U.S. citizenship on the eve of America's entry into the First World War. This picture comes from 1906 and shows the officer staff of the Regiment of Infantry.

Puerto Ricans Got U.S. Citizenship 100 Years Ago—But Their Identity Remains Fraught

Even a century later, those who live in the U.S. territory have little autonomy

An 1851 map of the United States shows Texas and the New Mexico, Utah and Indian Territories.

History of Now

For More Than 150 Years, Texas Has Had the Power to Secede…From Itself

A quirk of a 19th-century Congressional resolution could allow Texas to split up into five states

The cartoon by Thomas Nast shows the battles between President Johnson and Congress over Reconstruction.

Document Deep Dive

The Political Cartoon That Explains the Battle Over Reconstruction

Take a deep dive into this drawing by famed illustrator Thomas Nast

Susan, far left, with her husband (seated with puppy) at their Bancroft, Nebraska, home.

The Incredible Legacy of Susan La Flesche, the First Native American to Earn a Medical Degree

With few rights as a woman and as an Indian, the pioneering doctor provided valuable health care and resources to her Omaha community

Follow the Path of the Freedom Riders in This Interactive Map

These civil rights activists showed true courage in telling the nation about the segregated South

Ace Harlyn (active ca. 1930–40), Charlie Wagner tattooing Millie Hull, 1939, oil on canvas

Tattooing Was Illegal in New York City Until 1997

The New-York Historical Society’s newest exhibit delves into the history of the city’s once-turbulent ink scene

The Watanabe family brought this suitcase with them to Idaho's Minidoka camp. Evacuees were allowed to bring only what they could carry.

What’s Changed in the 30 Years Since the Smithsonian Opened an Exhibition on Japanese Internment

A new display at the American History Museum marks the 75th Anniversary of Executive Order 9066

Children have been crippled by land mines in Cambodia.

The Historic Innovation of Land Mines—And Why We’ve Struggled to Get Rid of Them

A number of researchers are developing tools to defuse or detonate land mines without harming civilians

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