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Nazi Germany Invaded Poland
The Invasion of Poland, known in Poland as the September Campaign or the 1939 Defensive War, and in Germany as the Poland Campaign, was an invasion of Poland by Germany that marked the beginning of World War II. -
Sitzkrieg
A war, or a phase of a war, in which there is little or no active warfare. -
France Fell 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. ... Italy entered the war on 10 June 1940 and invaded France over the Alps. -
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. It has been described as the first major military campaign fought entirely by air forces. -
America First Committee Launched
America First Committee, influential political pressure group in the United States (1940–41) that opposed aid to the Allies in World War II because it feared direct American military involvement in the conflict. The committee claimed a membership of 800,000 and attracted such leaders as General Robert E. Wood, the aviator Charles A. Lindbergh, and Senator Gerald P. Nye. -
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
The Selective Training and Service Act of 1940, also known as the Burke–Wadsworth Act, Pub.L. 76–783, 54 Stat. 885, enacted September 16, 1940,[1] was the first peacetime conscription in United States history. This Selective Service Act required that men who had reached their 21st birthday but had not yet reached their 36th birthday register with local draft boards. Later, when the U.S. entered World War II, all men from their 18th birthday. -
Lend - Lease
Lend-lease, system by which the United States aided its World War II allies with war materials, such as ammunition, tanks, airplanes, and trucks, and with food and other raw materials. President Franklin D. Roosevelt had committed the United States in June 1940 to materially aiding the opponents of fascism, but, under existing U.S. law, Great Britain had to pay for its growing arms purchases from the United States with cash, popularly known as cash-and-carry. By the summer of 1940. -
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 Attack
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
Pearl Harbor attack, (December 7, 1941), surprise aerial attack on the U.S. naval base at Pearl Harbor on Oahu Island, Hawaii, by the Japanese that precipitated the entry of the United States into World War II. -
Battle of Bataan
The Battle of Bataan (Filipino: Labanan sa Bataan) (7 January – 9 April 1942) represented the most intense phase of Imperial Japan's invasion of the Philippines during World War II. In January 1942, forces of the Imperial Japanese Army and Navy invaded Luzon along with several islands in the Philippine Archipelago after the bombing of the American naval base at Pearl Harbor. -
Bataan Death March
The Battle of Bataan (Filipino: Labanan sa Bataan) (7 January – 9 April 1942) represented the most intense phase of Imperial Japan's invasion of the Philippines during World War II. In January 1942, forces of the Imperial Japanese Army and Navy invaded Luzon along with several islands in the Philippine Archipelago after the bombing of the American naval base at Pearl Harbor. -
Battle of Coral Sea
1 transport damaged, 92 aircraft destroyed. 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 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. -
Island Hopping Campaign Begins
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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. -
Casablanca Conference
The Casablanca Conference was a meeting between U.S. President Franklin D. Roosevelt and British Prime Minister Winston Churchill in the city of Casablanca, Morocco that took place from January 14–24, 1943. While Soviet Premier Joseph Stalin received an invitation, he was unable to attend because the Red Army was engaged in a major offensive against the German Army at the time. -
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. -
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 -
D-Day
The day (June 6, 1944) in World War II on which Allied forces invaded northern France by means of beach landings in Normandy. -
MacArther 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. It was launched through the densely forested Ardennes region of Wallonia in eastern Belgium, northeast France, and Luxembourg, towards the end of the war in Europe. -
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. -
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 Died Day/ Harry Truman Became President
Harry S. Truman (May 8, 1884 – December 26, 1972) was the 33rd president of the United States from 1945 to 1953, succeeding upon the death of Franklin D. Roosevelt after serving as vice president. He implemented the Marshall Plan to rebuild the economy of Western Europe, and established the Truman Doctrine and NATO. -
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. -
Manhattan Project Began
51f. The Manhattan Project. This once classified photograph features the first atomic bomb — a weapon that atomic scientists had nicknamed "Gadget." The nuclear age began on July 16, 1945, when it was detonated in the New Mexico desert. -
Little Boy Dropped on Hiroshima
This silent footage, in both color and black and white, shows the preparation of the “Little Boy” and “Fat Man” atomic bombs on Tinian Island. It includes the takeoff and return of the Enola Gay, which dropped "Little Boy" on Hiroshima on August 6, 1945. The footage also depicts the mushroom cloud above Nagasaki. -
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. -
VJ Day
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.” -
Nuremberg Trails
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.
