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945
Fat Man Dropped on Nagasaki
This was the second use of an atomic bomb in WWII. It was more powerful than the previous bombing of Hiroshima, and Japan surrendered as a result. -
Manhattan Project Began
This would eventually allow for the atomic bomb to be dropped on Hiroshima and Nagasaki, ending WWII. -
Germany Invades Poland
Germany invaded Poland on September 1st, 1939. This event is significant because it marked the beginning of WWII. -
Sitzkrieg
This was a period of approximately 8 months at the beginning of WWII, during which there was little to no active fighting. -
America First Committee Launched
This was the largest anti-interventionist group during WWII. They held the position that America should not join the war. -
France Fell to Germany
This event is significant because France would later become the site of the D-day invasion, and allied forces would have to work through France in order to get to Germany. -
Battle of Britain
This event was significant because in this battle, Britain stood alone. They had no help, and were barely able to stop Germany, but they eventually did. -
Destroyers for Bases Deal
This was a deal in which some American ships were transferred to the British Navy in exchange for the right to put bases on British possessions. This is significant because it shows how desperate Britain was at the time. -
Congress Instituted the Draft
This was a significant event because, although Europe was at war, the US had not yet joined the war. Thus, this was a peacetime draft. -
Japanese Attack on Pearl Harbor
This event was significant because it caused the US to declare war on Japan, and then on Germany afterward. -
Four Freedoms
In his State of the Union Address, Roosevelt stated that everyone in the world is entitled to four basic freedoms. -
Lend-Lease
This was significant because it would become the sole method by which the US supported its allies in the war effort. -
USS Kearny Attacked
This event is significant because the USS Kearny was attacked before the US had declared war. -
Reuben James Sank
This event is significant because it took place before the US was at war. -
Battle of Bataan
This event was significant because it was the bloodiest invasion of the Philippines by Japan. -
Bataan Death March
Following the Battle of Bataan, the many remaining thousands of soldiers had to march for 65 miles to prison camps. -
Battle of Coral Sea
This was a major naval battle between the Japanese navy and British and American naval forces. -
Battle of Midway
This battle was the most decisive of all the battles in the Asian theater. -
Island Hopping Campaign Begins
This was a military strategy employed following the Battle of Midway. -
Battle of El Alamein
This battle prevented the Axis powers from advancing further into Egypt. -
Battle of Stalingrad
This was the largest land battle in WWII. Germany fought the Soviet Union for the city Stalingrad in this battle. -
Casablanca Conference
This was a meeting to plan the Allied military strategy in the war. -
Tehran Conference
This was a meeting to discuss strategy between Stalin, Roosevelt, and Churchill. -
D-Day
This was the plan within Operation Overlord that was used to gain a foothold into Europe. -
MacArthur Returned to the Philippines
This event was significant because MacArthur had promised to return to the Philippines in a previous speech. -
FDR Elected to a Fourth Term
This event marked an unprecedented amount of terms for a president. This inspired the 22nd amendment, which prevented granting this many terms to a single president. -
Battle of the Bulge
This was the last major German offensive in WWII. It was an extremely decisive victory for the Allies, although it was also extremely costly. -
Battle of Two Jima
This was a major battle in the Asian theater of WWII. The US invaded and overtook the island of Iwo Jima. -
Japanese War Time Trials
These were a series of trials to determine whether certain people were guilty of war crimes. -
Yalta Conference
This was another conference between the three allied leaders. -
Battle of Okinawa
This was the last major battle of WWII. It was particularly bloody. -
FDR Died/Harry Truman Became President
The death of FDR gave Harry Truman the presidency at a time when the US was still fighting WWII. -
VE Day
This day marked the end of WWII in Europe. The war with Japan was still active, however. -
Potsdam Conference
This day marked the end of WWII in Europe. The war with Japan was still active, however. -
VJ Day
This marked the end of WWII. -
Nuremberg Trials
These were a series of trials held by the Allied powers regarding the laws of war, and war crimes. -
Little Boy Dropped on Hiroshima
This was the first use of an atomic bomb. It would eventually force the Japanese to surrender.