World War 2

1939-09-01 00:00:00

Germany and the Soviet Union invades Poland

On this day in 1939, German forces bombard Poland on land and from the air, as Adolf Hitler seeks to regain lost territory and ultimately rule Poland. World War II had begun. The German invasion of Poland was a primer on how Hitler intended to wage war–what would become the “blitzkrieg” strategy. This was characterized by extensive bombing early on to destroy the enemy’s air capacity, railroads, communication lines, and munitions dumps, followed by a massive land invasion with overwhelming numbers of troops, tanks, and artillery. Once the German forces had plowed their way through, devastating a swath of territory, infantry moved in, picking off any remaining resistance.

1939-09-01 00:00:00

Great Britain and France declare war, official start of WW2

On this day in 1939, in response to Hitler’s invasion of Poland, Britain and France, both allies of the overrun nation declare war on Germany. The first casualty of that declaration was not German—but the British ocean liner Athenia, which was sunk by a German U-30 submarine that had assumed the liner was armed and belligerent. There were more than 1,100 passengers on board, 112 of whom lost their lives. Of those, 28 were Americans, but President Roosevelt was unfazed by the tragedy, declaring that no one was to “thoughtlessly or falsely talk of America sending its armies to European fields.” The United States would remain neutral.

1940-06-14 12:44:42

Germany invades France and captures Paris

On this day in 1940, Parisians awaken to the sound of a German-accented voice announcing via loudspeakers that a curfew was being imposed for 8 p.m. that evening-as German troops enter and occupy Paris. British Prime Minister Winston Churchill had tried for days to convince the French government to hang on, not to sue for peace, that America would enter the war and come to its aid. French premier Paul Reynaud telegrammed President Franklin Roosevelt, asking for just such aid-a declaration of war, and if not that, any and all help possible. Roosevelt replied that the United States was prepared to send material aid—and was willing to have that promise published—but Secretary of State Cordell Hull opposed such a publication, knowing that Hitler, as well as the Allies, would take such a public declaration of help as but a prelude to a formal declaration of war. While the material aid would be forthcoming, no such commitment would be made formal and public.

1940-09-07 17:31:28

The battle of Britain begins

After a preliminary raid on 5 September, the bombing started proper on the afternoon of the 7th. Almost 1,000 German aircraft - over 300 bombers escorted by 600 fighters - crossed the Channel. It was the largest collection of aircraft ever seen. Fighter Command had not expected raids on London, but now attempted to intercept the waves of bombers. A huge dogfight developed over London and the Thames Estuary. Although no-one knew at the time, this was the beginning of the Blitz. With the exception of one night, when the weather was bad, the bombing continued for the next 76 nights consecutively, with daytime raids as well. Liverpool, Manchester, Swansea, Cardiff, Bristol, Southampton were also targeted.

1941-03-11 00:46:31

Lend-Lease Act

Proposed in late 1940 and passed in March 1941, the Lend-Lease Act was the principal means for providing U.S. military aid to foreign nations during World War II. It authorized the president to transfer arms or any other defense materials for which Congress appropriated money to “the government of any country whose defense the President deems vital to the defense of the United States.” By allowing the transfer of supplies without compensation to Britain, China, the Soviet Union and other countries, the act permitted the United States to support its war interests without being overextended in battle.

1941-06-22 18:13:43

Operation Barbarossa

On June 22, 1941, Adolf Hitler launched his armies eastward in a massive invasion of the Soviet Union: three great army groups with over three million German soldiers, 150 divisions, and three thousand tanks smashed across the frontier into Soviet territory. The invasion covered a front from the North Cape to the Black Sea, a distance of two thousand miles. By this point German combat effectiveness had reached its apogee; in training, doctrine, and fighting ability, the forces invading Russia represented the finest army to fight in the twentieth century. Barbarossa was the crucial turning point in World War II, for its failure forced Nazi Germany to fight a two-front war against a coalition possessing immensely superior resources.

1941-12-07 09:17:23

Japan Bombs Pearl Harbor

Just before 8 a.m. on December 7, 1941, hundreds of Japanese fighter planes attacked the American naval base at Pearl Harbor near Honolulu, Hawaii. The barrage lasted just two hours, but it was devastating: The Japanese managed to destroy nearly 20 American naval vessels, including eight enormous battleships, and almost 200 airplanes. More than 2,000 Americans soldiers and sailors died in the attack, and another 1,000 were wounded. The day after the assault, President Franklin D. Roosevelt asked Congress to declare war on Japan; Congress approved his declaration with just one dissenting vote. Three days later, Japanese allies Germany and Italy also declared war on the United States, and again Congress reciprocated. More than two years into the conflict, America had finally joined World War II.

1941-12-08 12:49:01

United States Declares War on Japn

On this day, as America’s Pacific fleet lay in ruins at Pearl Harbor, President Franklin Roosevelt requests, and receives, a declaration of war against Japan. Leaning heavily on the arm of his son James, a Marine captain, FDR walked haltingly into the House of Representatives at noon to request a declaration of war from the House and address the nation via radio. “Yesterday,” the president proclaimed, “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. 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.”

1941-12-11 02:14:07

Germany Declares War on the United States

On this day, Adolf Hitler declares war on the United States, bringing America, which had been neutral, into the European conflict. The bombing of Pearl Harbor surprised even Germany. Although Hitler had made an oral agreement with his Axis partner Japan that Germany would join a war against the United States, he was uncertain as to how the war would be engaged. Japan’s attack on Pearl Harbor answered that question. On December 8, Japanese Ambassador Oshima went to German Foreign Minister von Ribbentrop to nail the Germans down on a formal declaration of war against America. Von Ribbentrop stalled for time; he knew that Germany was under no obligation to do this under the terms of the Tripartite Pact, which promised help if Japan was attacked, but not if Japan was the aggressor. Von Ribbentrop feared that the addition of another antagonist, the United States, would overwhelm the German war effort.

1941-12-11 02:14:07

United States Declares War on Germany

On December 11, 1941, the United States Congress declared war upon Germany, only hours after Germany declared war on the United States following the Japanese attack on Pearl Harbor.

1942-06-04 03:00:59

The Battle of Midway

This fleet engagement between U.S. and Japanese navies in the north-central Pacific Ocean resulted from Japan’s desire to sink the American aircraft carriers that had escaped destruction at Pearl Harbor. Admiral Yamamoto Isoroku, Japanese fleet commander, chose to invade a target relatively close to Pearl Harbor to draw out the American fleet, calculating that when the United States began its counterattack, the Japanese would be prepared to crush them. Instead, an American intelligence breakthrough–the solving of the Japanese fleet codes–enabled Pacific Fleet commander Admiral Chester W. Nimitz to understand the exact Japanese plans. Nimitz placed available U.S. carriers in position to surprise the Japanese moving up for their preparatory air strikes on Midway Island itself.

1942-07-17 22:32:43

The Battle of Stalingrad

The Battle of Stalingrad (July 17, 1942-Feb. 2, 1943), was the successful Soviet defense of the city of Stalingrad (now Volgograd) in the U.S.S.R. during World War II. Russians consider it to be the greatest battle of their Great Patriotic War, and most historians consider it to be the greatest battle of the entire conflict. It stopped the German advance into the Soviet Union and marked the turning of the tide of war in favor of the Allies. The Battle of Stalingrad was one of the bloodiest battles in history, with combined military and civilian casualties of nearly 2 million.

1944-06-06 06:24:08

D-Day: Allies Land in Normandy

During World War II (1939-1945), the Battle of Normandy, which lasted from June 1944 to August 1944, resulted in the Allied liberation of Western Europe from Nazi Germany’s control. Codenamed Operation Overlord, the battle began on June 6, 1944, also known as D-Day, when some 156,000 American, British and Canadian forces landed on five beaches along a 50-mile stretch of the heavily fortified coast of France’s Normandy region. The invasion was one of the largest amphibious military assaults in history and required extensive planning. Prior to D-Day, the Allies conducted a large-scale deception campaign designed to mislead the Germans about the intended invasion target. By late August 1944, all of northern France had been liberated, and by the following spring the Allies had defeated the Germans. The Normandy landings have been called the beginning of the end of war in Europe.

1945-05-08 12:26:24

V-E Day: Victory in Europe

On this day in 1945, both Great Britain and the United States celebrate Victory in Europe Day. Cities in both nations, as well as formerly occupied cities in Western Europe, put out flags and banners, rejoicing in the defeat of the Nazi war machine. The eighth of May spelled the day when German troops throughout Europe finally laid down their arms: In Prague, Germans surrendered to their Soviet antagonists, after the latter had lost more than 8,000 soldiers, and the Germans considerably more; in Copenhagen and Oslo; at Karlshorst, near Berlin; in northern Latvia; on the Channel Island of Sark—the German surrender was realized in a final cease-fire. More surrender documents were signed in Berlin and in eastern Germany.

1945-07-14 05:27:30

V-J Day: Victory in Japan

On August 14, 1945, it was announced that Japan had surrendered unconditionally to the Allies, effectively ending World War II. Since then, both August 14 and August 15 have been known as “Victoryover Japan Day,” or simply “V-J Day.” The term has also been used for September 2, 1945, when Japan’s formal surrender took place aboard the U.S.S. Missouri, anchored in Tokyo Bay. Coming several months after the surrender of Nazi Germany, Japan’s capitulation in the Pacific brought six years of hostilities to a final and highly anticipated close.

1945-08-06 11:07:53

The U.S. Bombs Hiroshima and Nagasaki

On August 6, 1945, during World War II (1939-45), an American B-29 bomber dropped the world’s first deployed atomic bomb over the Japanese city of Hiroshima. The explosion wiped out 90 percent of the city and immediately killed 80,000 people; tens of thousands more would later die of radiation exposure. Three days later, a second B-29 dropped another A-bomb on Nagasaki, killing an estimated 40,000 people. Japan’s Emperor Hirohito announced his country’s unconditional surrender in World War II in a radio address on August 15, citing the devastating power of “a new and most cruel bomb.”

World War 2

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