The Pearl Harbor attack led to the mass internment of Japanese Americans

What happened to Americans who were in Japan during Pearl Harbor?

When Japan bombed Pearl Harbor in December 1941, roughly 10,000 American civilians were stranded in Japanese-occupied territory. Tense diplomatic negotiations eventually secured two prisoner exchanges conducted via ship across 20,000 nautical miles to return nearly 3,000 Allied civilians, while Japanese Americans in North and South America were sent in the opposite direction, many to a country they had never called home.

The US sent an iconic photographer to document the Japanese-American internment

After the attack on Pearl Harbor, 120,000 Japanese-Americans were removed from their homes and businesses and sent to internment camps across the American West and Arkansas. This nearly 15-minute video explores how the US government sent famed photographer Dorothea Lange to document the transfer and internment, only to restrict or impound many of her photos when they seemed less than positive.

Hawaii lived under martial law for nearly three years after Pearl Harbor

After the attack, Hawaii was placed under sweeping military rule—curfews, censorship, warrantless arrests, ID papers, and mass detentions transformed everyday life. More than 2,000 people were arrested within 48 hours of the attack, and the islands remained under martial law for nearly three years.

The US asked Japan to leave China less than two weeks before Pearl Harbor

On Nov. 26, 1941, Secretary of State Cordell Hull issued a note calling on Japan to withdraw from China and Indochina—terms Tokyo saw as impossible. The note confirmed to Japanese leaders that diplomacy had collapsed, accelerating plans for the Pearl Harbor strike (which had been formally approved Nov. 5).

Before World War II, the US was a Pacific power

Decades before Pearl Harbor, the US held major Pacific territories—Hawaii, the Philippines, Guam, American Samoa, and numerous island bases—giving it strategic reach across the western Pacific. This presence increasingly overlapped with Japan’s imperial ambitions in the region, contributing to rising tensions.

Hitler declared war on the United States four days after Pearl Harbor

Despite having no treaty obligation to join Japan’s fight, Hitler declared war on the US on Dec. 11, 1941. The move pulled America into the European theater and is widely seen as one of Hitler’s most strategic blunders.

Japan attacked Pearl Harbor largely because it was running out of oil

This video traces how US-led sanctions and Japan’s near-total dependence on imported oil pushed Japanese leaders toward a high-risk plan: seize Southeast Asian oil fields and neutralize the American Pacific Fleet, hoping Washington would negotiate rather than fight.

A single bomb on the USS Arizona killed 1,177 crew members in seconds

When a Japanese armor-piercing bomb triggered the explosion of the USS Arizona’s forward magazine during the attack, the blast killed 1,177 crew members within moments—accounting for nearly half of all American deaths at Pearl Harbor.

The attack at Pearl Harbor required nearly a year of planning and preparation

In early 1941, Admiral Isoroku Yamamoto ordered detailed planning for a surprise carrier strike on Pearl Harbor. Japanese teams spent months refining torpedo modifications, training pilots, and rehearsing the complex attack.

A downed Japanese pilot sparked a violent three-day standoff on the island of Niʻihau

After a Japanese pilot crash-landed on the Hawaiian island of Niʻihau, residents first sheltered him. Once news of the Pearl Harbor attack arrived, two locals tried to help him escape, leading to a violent struggle in which Native Hawaiians ultimately stopped and killed him.

The attacks prompted a quick jump in American public support for war

In a Gallup poll taken days after the attack, an extraordinary 97% of Americans approved Congress declaring war on Japan—reflecting overwhelming national unity in the wake of the strike.

Roosevelt’s post-Pearl Harbor address became one of America’s most iconic speeches

Delivered to a joint session of Congress on Dec. 8, 1941, President Franklin D. Roosevelt declared Dec. 7 “a date which will live in infamy.” The speech, heard by tens of millions of Americans, helped consolidate national support for entering the war.

Japan committed mass war crimes during its invasion of China

During the 1937 invasion, Japanese forces carried out systematic atrocities—including mass executions, rape, torture, forced labor, and chemical warfare. The Nanjing Massacre alone killed tens of thousands over a span of six weeks, with some estimates claiming 300,000.

Hear Pearl Harbor survivors reflect on the attack 80 years later

This anniversary video features some of the last living witnesses to the Pearl Harbor attack. Their firsthand memories—shared eight decades later—offer a rare perspective on the day that changed their lives and the world.

2 months after Pearl Harbor, American libraries launched a drive to collect 10 million books for soldiers

The 1942 Victory Book Campaign—sponsored by the American Library Association, the Red Cross, and the USO—asked the public to donate books to both train and entertain troops. The national campaign exceeded its goal, collecting more than 10.2 million books.

A list of reasons against dropping the bomb on Japan

One of the perennial moral debates, the dropping of nuclear bombs on Japanese cities prompted strong, polarizing reactions at the time. This article breaks down one side of the argument: that the bomb was designed for defense, using it was illegal and racist, and that there were alternatives.

The commander of the Japanese force at Pearl Harbor speaks on the Merv Griffin show

Mitsuo Fuchida, who led the first wave of the Pearl Harbor attack, converted to Christianity in 1950, after reading the testimony of a former American POW. He later traveled through Japan and the United States, sharing his story and working as a Christian evangelist.

The perplexing Battle of Los Angeles in 1942 generated swaths of UFO conspiracies

On Feb. 24-25, 1942, weeks after the Pearl Harbor attack, a US military radar warned of enemy aircraft. A citywide blackout went into effect, powerful searchlights were lit up, and US forces fired artillery at what they believed to be the enemy. However, no confirmed enemy planes were ever identified. Eyewitnesses reported seeing large objects flying overhead, and much of the public speculated about UFOs and extraterrestrial attacks.

Teenager Guy Gabaldon captured the most prisoners in US military history

After the vicious battle of Saipan outside Japan in World War II, the Japanese were opting for suicide rather than surrender. Gabaldon, a Marine with a track record for skillfully convincing the enemy to surrender, managed to capture 800 Japanese single-handedly.

The Chinese Exclusion Act was America's first major immigration restriction

The act, signed in 1882, barred Chinese laborers from entering the United States, marking the first significant restriction on free immigration. This overview examines 19th-century Chinese immigration, rising anti-Chinese sentiment, and the diplomatic implications of exclusionary legislation.

Hear the story of the largest single escape attempt by enslaved people in American history

On April 15, 1848, 77 enslaved individuals in Washington, DC, boarded a ship named the Pearl in the largest single escape attempt in US history. Their capture led to riots and intensified the conflict over fugitive slave laws.

The Indian Removal Act of 1830 forcibly displaced tens of thousands of Native Americans

Signed by President Andrew Jackson, the act authorized the federal government to negotiate treaties relocating Native nations from their Southeastern homelands to lands west of the Mississippi, often by force.

That time General Ulysses Grant barred Jewish residents from the war zone

In 1862, General Ulysses S. Grant issued an order that banned all "Israelites" (meaning Jews) from a military zone consisting of parts of Tennessee, Kentucky, and Mississippi. After much outcry, the order was rescinded by President Abraham Lincoln and Grant feebly explained it was a misunderstanding. Learn more about this odd bit of history here,

More than 2,000 Black Americans were victims of racial terror lynchings from 1865 to 1876

The Equal Justice Initiative documented over 2,000 lynchings of Black people during Reconstruction—violence that attempted to restore white supremacy, suppress Black political power, and terrorize communities in the aftermath of emancipation.

Over three-fourths of US debt is held by domestic and foreign investors

Of the domestic investors, the Federal Reserve is the largest holder. And, of the foreign investors, Japan is the largest holder, followed by China.

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

Roughly 43 million US borrowers owe roughly $1.7T in student debt, the second-largest source of consumer debt behind mortgages.

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

About 12.5% of US adults experience a phobia in their lifetime, a diagnosis that hinges on the intense fear interfering with daily life and persisting for at least six months.

Fireworks-related ER visits are on the rise—in 2024, they increased by 52% as compared to the prior year.

Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real

In 1984, Operation Smash Hit intentionally crashed a 239-ton train into a nuclear waste canister at 100 miles per hour to prove the canister's safety, which remained completely intact and lost just 0.29 of its 100 pounds of pressure.

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

American dance legend Martha Graham, sometimes called 'the Picasso of dance,' refused to perform at the 1936 Olympics in Berlin and conceived the piece 'Chronicle' in response to the experience.

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

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

Explore what it's like inside a patient isolation unit, used in situations such as treating a patient or suspected patient with Ebola.

In 1939, baseball star Lou Gehrig delivered his inspirational 'Luckiest Man' speech after retiring due to the health condition that now bears his name.

View the ten deadliest tornadoes in US history.

Volcanic activity may have triggered the Black Death by spewing gases that led to crop failures in Europe, thus forcing the import of grain ships with plague-infested fleas.

The word 'jazz' evolved from 'jasm,' 19th-century American slang for 'energy'

The identity of the Tank Man in the iconic photo from the 1989 Tiananmen Square protests remains unknown and was possibly killed.

The Beatles' US label rejected the band's first two singles, 'Please Please Me' and 'From Me to You,' with one executive calling the band 'dead in the water.'

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

Apollo astronauts left items in the moon's 'toss zone,' including golf balls, family photos, and bags of human waste, to make room for lunar rocks.

Poison ivy's rash-causing compound is found in the plant's roots, stem, and leaves—so coming into contact with any part of the plant can lead to rashes for the 85% of people who are allergic to it.

'Grand Canyon of the Yellowstone,' a work by American painter Thomas Moran, inspired Congress to establish Yellowstone National Park.