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Nazi Germany Invaded Poland
The history of Poland from 1939 to 1945 encompasses primarily the period from the Invasion of Poland by Nazi Germany and the Soviet Union to the end of World War II. ... Ethnic Poles were subjected to both Nazi German and Soviet persecution. The Germans killed an estimated two million ethnic Poles. -
Sitzkrieg (Phoney War)
The Phoney War was an eight-month period at the start of World War II, during which there was only one limited military land operation on the Western Front, when French troops invaded Germany's Saar district. -
France Falls to Germany
The Battle of France, also known as the Fall of France, was the German invasion of France and the Low Countries during the Second World War. -
Battle of Britain
The Battle of Britain was a military campaign of the Second World War, in which the Royal Air Force defended the United Kingdom against large-scale attacks by Nazi Germany's air force, the Luftwaffe. -
America First Committee Launched
The America First Committee (AFC) was the foremost United States non-interventionist pressure group against the American entry into World War II. -
Destroyers-for-Bases Deal
In the Destroyers for Bases Agreement between the United States and the United Kingdom on September 2, 1940, fifty Caldwell, Wickes, and Clemson class US Navy destroyers were transferred to the Royal Navy from the United States Navy in exchange for land rights on British possessions. -
Congress Instituted the Draft
Congress and the President Authorize a Draft. A crisis occurs which requires more troops than the volunteer military can supply. Congress passes and the president signs legislation which starts the draft process. It should be noted that the president cannot initiate a draft on his or her own. -
Lend-Lease
The Lend-Lease policy, formally titled An Act to Promote the Defense of the United States, was an American program to defeat Germany, Japan and Italy by distributing food, oil, and materiel between 1941 and August 1945. -
Four Freedoms
Roosevelt insisted that people in all nations of the world shared Americans' entitlement to four freedoms: the freedom of speech and expression, the freedom to worship God in his own way, freedom from want and freedom from fear. -
USS Kearny Attacked
USS Kearny (DD-432), a Benson-Livermore-class destroyer, was a United States Navy warship during World War II. She was noted for being torpedoed by a German U-boat in October 1941, before the U.S. had entered the war. She survived that attack, and later served in North Africa and the Mediterranean. -
Reuben James Sank
USS Reuben James (DD-245)—a post-World War I, four-funnel Clemson-class destroyer—was the first United States Navy ship sunk by hostile action in the European theater of World War II and the first named for Boatswain's Mate Reuben James, who distinguished himself fighting in the First Barbary War. -
Japanese Attack on Pearl Harbor
The Attack on Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service against the United States naval base at Pearl Harbor, Hawaii Territory, on Sunday morning, December 7, 1941. -
Battle of Coral Sea
The Battle of the Coral Sea, fought from 4 to 8 May 1942, was a major naval battle between the Imperial Japanese Navy (IJN) and naval and air forces from the United States and Australia, taking place in the Pacific Theatre of World War II. -
Battle of Bataan
The Battle of Bataan represented the most intense phase of Imperial Japan's invasion of the Philippines during World War II. -
Bataan Death March
The Bataan Death March was the forcible transfer by the Imperial Japanese Army of 60,000–80,000 American and Filipino prisoners of war from Saysain Point, Bagac, Bataan and Mariveles to Camp O'Donnell, Capas, Tarlac, via San Fernando, Pampanga, where the prisoners were loaded onto trains. -
Battle of Midway
The Battle of Midway was a decisive naval battle in the Pacific Theater of World War II that took place between 4 and 7 June 1942, only six months after Japan's attack on Pearl Harbor and one month after the Battle of the Coral Sea. -
Battle of El Alamein
The Second Battle of El Alamein was a battle of the Second World War that took place near the Egyptian railway halt of El Alamein. The First Battle of El Alamein and the Battle of Alam el Halfa had prevented the Axis from advancing further into Egypt. -
Manhattan Project Began
The Manhattan Project was a secret military project created in 1942 to produce the first US nuclear weapon. Fears that Nazi Germany would build and use a nuclear weapon during World War II triggered the start of the Manhattan Project, which was originally based in Manhattan, New York. -
Island Hopping Campaign Begins
Leapfrogging, also known as island hopping, was a military strategy employed by the Allies in the Pacific War against Japan and the Axis powers during World War II. -
Battle of Stalingrad
The Battle of Stalingrad was the largest confrontation of World War II, in which Germany and its allies fought the Soviet Union for control of the city of Stalingrad in Southern Russia. -
Tehran Conference
The Tehran Conference was a strategy meeting of Joseph Stalin, Franklin D. Roosevelt, and Winston Churchill from 28 November to 1 December 1943, after the Anglo-Soviet Invasion of Iran. It was held in the Soviet Union's embassy in Tehran, Iran. -
Casablanca Conference
The Casablanca Conference was held at the Anfa Hotel in Casablanca, French Morocco, from January 14 to 24, 1943, to plan the Allied European strategy for the next phase of World War II. In attendance were United States President Franklin D. Roosevelt and British prime minister Winston Churchill. -
D-Day
The Normandy landings were the landing operations on Tuesday, 6 June 1944 of the Allied invasion of Normandy in Operation Overlord during World War II. Codenamed Operation Neptune and often referred to as D-Day, it was the largest seaborne invasion in history. -
MacArthur Returned to the Philippines
On October 20, 1944, a few hours after his troops landed, MacArthur waded ashore onto the Philippine island of Leyte. That day, he made a radio broadcast in which he declared, “People of the Philippines, I have returned!” In January 1945, his forces invaded the main Philippine island of Luzon. -
Battle of the Bulge
The Battle of the Bulge, also known as the Ardennes Counteroffensive, took place from 16 December 1944 to 25 January 1945, and was the last major German offensive campaign on the Western Front during World War II. -
Yalta Conference
The Yalta Conference, also known as the Crimea Conference and code-named the Argonaut Conference, held from 4 to 11 February 1945, was the World War II meeting of the heads of government of the United States. -
Little Boy Dropped on Hiroshima
Hiroshima. On August 6, 1945, the United States dropped an atomic bomb on the city of Hiroshima. The bomb was known as "Little Boy", a uranium gun-type bomb that exploded with about thirteen kilotons of force. -
VJ Day
The surrender of Imperial Japan was announced on August 15 and formally signed on September 2, 1945, bringing the hostilities of World War II to a close. By the end of July 1945, the Imperial Japanese Navy (IJN) was incapable of conducting major operations and an Allied invasion of Japan was imminent. -
FDR Elected to a Fourth Term
This was the first and only time a president has been inaugurated for a fourth term. (The Twenty-second Amendment to the United States Constitution, ratified in 1951, limits the number of times a person can be elected president to two.) Roosevelt died 82 days into this term, and Truman succeeded to the presidency. -
Battle of Iwo Jima
The Battle of Iwo Jima was a major battle in which the United States Marine Corps landed on and eventually captured the island of Iwo Jima from the Imperial Japanese Army during World War II. -
Battle of Okinawa
The Battle of Okinawa, codenamed Operation Iceberg, was a major battle of the Pacific War fought on the island of Okinawa by United States Marine and Army forces against the Imperial Japanese Army. -
FDR Dies/Truman becomes President
On this day in 1945, President Franklin Delano Roosevelt passes away after four momentous terms in office, leaving Vice President Harry S. Truman in charge of a country still fighting the Second World War and in possession of a weapon of unprecedented and terrifying power. -
VE Day
Victory in Europe Day, generally known as VE Day or V-E Day, was celebrated on Tuesday, 8 May 1945 to mark the formal acceptance by the Allies of World War II of Nazi Germany's unconditional surrender of its armed forces. -
Potsdam Conference
The Potsdam Conference was held at Cecilienhof, the home of Crown Prince Wilhelm in Potsdam, occupied Germany, from 17 July to 2 August 1945. -
Fat Man Dropped on Nagasaki
"Fat Man" was the codename for the nuclear bomb that was detonated over the Japanese city of Nagasaki by the United States on 9 August 1945. It was the second of the only two nuclear weapons ever used in warfare, the first being Little Boy, and its detonation marked the third nuclear explosion in history. -
Nuremberg Trials
The Nuremberg trials were a series of military tribunals held by the Allied forces under international law and the laws of war after World War II. -
Japanese War Crime Trials
Japanese war crimes trial begins. In Tokyo, Japan, the International Military Tribunals for the Far East begins hearing the case against 28 Japanese military and government officials accused of committing war crimes and crimes against humanity during World War II.