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When the world is in turmoil, this Museum fights back using its most powerful tool: education. It is urgent that we teach people about the consequences of hate and antisemitism.

Help us share the lessons of Holocaust history.

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When the world is in turmoil, this Museum fights back using its most powerful tool: education. It is urgent that we teach people about the consequences of hate and antisemitism. Help us share the lessons of Holocaust history.

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Japan launches a surprise attack on the United States Pacific fleet at Pearl Harbor, Hawaii, severely damaging the fleet. The attack prevents, at least for the short term, serious American interference with Japanese military operations.

In response to the attack, the United States declared war on Japan. Following Germany's declaration of war on the United States, the United States also declared war on Germany. After the attack on Pearl Harbor, Japan attacked and occupied Guam, Wake, the Philippines, the Dutch East Indies, Hong Kong, Malaya, Singapore, and Burma. Only in mid-1942 were Australian and New Zealander forces in New Guinea and British forces in India able to halt the Japanese advance. But the turning point in the Pacific war came with the American naval victory in the Battle of Midway in June 1942. The Japanese fleet sustained heavy losses and was turned back. Allied forces slowly gained naval and air supremacy in the Pacific.

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Japan launches a surprise attack on the United States Pacific fleet at Pearl Harbor, Hawaii, severely damaging the fleet. The attack prevents, at least for the short term, serious American interference with Japanese military operations. In response to the attack, the United States declared war on Japan.

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After the sudden and deliberate attack on Pearl Harbor by the Japanese during World War II, President Roosevelt spoke to Congress and the American people.

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FDR's Pearl Harbor Address Video - Pearl Harbor - HISTORY.com

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After the sudden and deliberate attack on Pearl Harbor by the Japanese during World War II, President Roosevelt spoke to Congress and the American people.

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On December 7, 1941, Japan launches a surprise attack on American soil at Pearl Harbor.

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Japan and the Path to War

The attack on Pearl Harbor was a surprise, but Japan and the United States had been edging toward war for decades.

The United States was particularly unhappy with Japan's increasingly belligerent attitude toward China. The Japanese government believed that the only way to solve its economic and demographic problems was to expand into its neighbor's territory and take over its import market.

To this end, Japan declared war on China in 1937, resulting in the Nanking Massacre and other atrocities.

American officials responded to this aggression with a battery of economic sanctions and trade embargoes. They reasoned that without access to money and goods, and especially essential supplies like oil, Japan would have to rein in its expansionism.

Instead, the sanctions made the Japanese more determined to stand their ground. During months of negotiations between Tokyo and Washington, D.C., neither side would budge. It seemed that war was all but inevitable.

Where Is Pearl Harbor?

Pearl Harbor, Hawaii, is located near the center of the Pacific Ocean, roughly 2,000 miles from the U.S. mainland and about 4,000 miles from Japan. No one believed that the Japanese would start a war with an attack on the distant islands of Hawaii.

Additionally, American intelligence officials were confident that any Japanese attack would take place in one of the (relatively) nearby European colonies in the South Pacific: the Dutch East Indies, Singapore or Indochina.

Because American military leaders were not expecting an attack so close to home, the naval facilities at Pearl Harbor were relatively undefended. Almost the entire Pacific Fleet was moored around Ford Island in the harbor, and hundreds of airplanes were squeezed onto adjacent airfields.

To the Japanese, Pearl Harbor was an irresistibly easy target.

USS Arizona

The Japanese plan was simple: Destroy the Pacific Fleet. That way, the Americans would not be able to fight back as Japan's armed forces spread across the South Pacific. On December 7, after months of planning and practice, the Japanese launched their attack.

At about 8 a.m., Japanese planes filled the sky over Pearl Harbor. Bombs and bullets rained onto the vessels moored below. At 8:10, a 1,800-pound bomb smashed through the deck of the battleship USS Arizona and landed in her forward ammunition magazine. The ship exploded and sank with more than 1,000 men trapped inside.

Next, torpedoes pierced the shell of the battleship USS Oklahoma. With 400 sailors aboard, the Oklahoma lost her balance, rolled onto her side and slipped underwater.

Less than two hours later, the surprise attack was over, and every battleship in Pearl Harbor- USS Arizona, USS Oklahoma, USS California, USS West Virginia, USS Utah, USS Maryland, USS Pennsylvania, USS Tennessee and USS Nevada-had sustained significant damage. (All but USS Arizona and USS Utah were eventually salvaged and repaired.)

Impact of the Pearl Harbor Attack

In all, the Japanese attack on Pearl Harbor crippled or destroyed nearly 20 American ships and more than 300 airplanes. Dry docks and airfields were likewise destroyed. Most importantly, more than 2,000 people died.

But the Japanese had failed to cripple the Pacific Fleet. By the 1940s, battleships were no longer the most important naval vessel: Aircraft carriers were, and as it happened, all of the Pacific Fleet's carriers were away from the base on December 7. (Some had returned to the mainland and others were delivering planes to troops on Midway and Wake Islands.)

Moreover, the Pearl Harbor assault had left the base's most vital onshore facilities-oil storage depots, repair shops, shipyards and submarine docks-intact. As a result, the U.S. Navy was able to rebound relatively quickly from the attack.

How Many People Died in Pearl Harbor?

The attack on Pearl Harbor killed 2,403 U.S. personnel, including sailors, soldiers and civilians. Additionally, 1,178 people were wounded. 129 Japanese soldiers were killed.

Half of the dead at Pearl Harbor were on the USS Arizona. Today the sunken battleship serves as a memorial to all Americans who died in the attack.

President Franklin D. Roosevelt addressed a joint session of the U.S. Congress on December 8, the day after the crushing attack on Pearl Harbor.

"Yesterday, December 7, 1941-a date which will live in infamy-the United States of America was suddenly and deliberately attacked by naval and air forces of the Empire of Japan."

He went on to say, "No matter how long it may take us to overcome this premeditated invasion, the American people in their righteous might will win through to absolute victory. I believe I interpret the will of the Congress and of the people when I assert that we will not only defend ourselves to the uttermost, but will make very certain that this form of treachery shall never endanger us again."

America Enters World War II

After the Pearl Harbor attack, and for the first time during years of discussion and debate, the American people were united in their determination to go to war.

The Japanese had wanted to goad the United States into an agreement to lift the economic sanctions against them; instead, they had pushed their adversary into a global conflict that ultimately resulted in Japan's first occupation by a foreign power.

Did you know? The single vote against Congress's declaration of war against Japan came from Representative Jeannette Rankin of Montana. Rankin was a pacifist who had also voted against the American entrance into World War I. "As a woman," she said, "I can't go to war, and I refuse to send anyone else."

On December 8, Congress approved Roosevelt's declaration of war on Japan. Three days later, Japan's allies Germany and Italy declared war against the United States.

For the second time, Congress reciprocated, declaring war on the European powers. More than two years after the start of World War II, the United States had entered the conflict.

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Pearl Harbor is a U.S. naval base near Honolulu, Hawaii, that was the scene of a devastating surprise attack by Japanese forces on December 7, 1941. The day after the attack, President Franklin D. Roosevelt asked Congress to declare war on Japan.