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Start of the war in Atlantic/European theater
On December 13 1939, the first naval battle during the war was fought off the Atlantic coast of South America. The battle of the Atlantic has been called the longest, largest and most complex naval battle in history. -
Lend/Lease act
Passed on March 11, 1941, this act set up a system that would allow the United States to lend or lease war supplies to any nation deemed "vital to the defense of the United States. this was a policy under which the United States supplied the United Kingdom, the Soviet Union, France, China, and other Allied nations with food, oil, and materiel between 1941 and 1945. -
Pearl Harbor
Pearl Harbor located in Hawaii was the location where Japan took its surprise attack. On December 7, 1941, a date that President Franklin D. Roosevelt claimed would “live in infamy,” the Imperial Japanese Navy conducted a surprise aerial assault on Pearl Harbor. This unprovoked attack brought the United States into World War II, as it immediately declared war on Japan. -
start of the world war in pacific theater
The start of world war 2 occurred December 7, 1941 through September 2 1945. It started when Japan staged a surprise attack on Pearl Harbor on December 7.Japan intended the attack as a preventive action. Its aim was to prevent the United States Pacific Fleet from interfering with its planned military actions in Southeast Asia against overseas territories of the United Kingdom, the Netherlands, and those of the United States. -
U.S. joins the war
On December 7, 1941, following the Japanese bombing of Pearl Harbor, the United States declared war on Japan. Three days later, after Germany and Italy declared war on it, the United States became fully engaged in the Second World War. -
D-day
The D-Day operation of June 6, 1944, brought together the land, air, and sea forces of the allied armies in what became known as the largest invasion force in human history. The operation, given the codename OVERLORD, delivered five naval assault divisions to the beaches of Normandy, France. -
Yalta Conference
Franklin D. Roosevelt of the United States, Prime Minister Winston Churchill of the United Kingdom, and Premier Joseph Stalin of the Soviet Union—which met at Yalta in Crimea to plan the final defeat and occupation of Nazi Germany. -
Death of Roosevelt
Roosevelt's physical health began declining during the later war years, and less than three months into his fourth term, Roosevelt died on April 12, 1945. Vice President Harry S. Truman assumed office as president and oversaw the acceptance of surrender by the Axis powers. -
V-E Day
On Victory in Europe Day, or V-E Day, Germany unconditionally surrendered its military forces to the Allies, including the United States. On May 8, 1945 - known as Victory in Europe Day or V-E Day - celebrations erupted around the world to mark the end of World War II in Europe. -
Nagasaki
Nagasaki's being chosen as a target for the second atomic bomb dropped on Japan by the United States in World War II. However, Nagasaki was originally chosen as the third target for atomic bombing because its population was much smaller than those of Hiroshima and Kokura. -
Hiroshima
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 immediately killed an estimated 80,000 people; tens of thousands more would later die of radiation exposure. -
V-J Day
Victory over Japan Day is the day on which Imperial Japan surrendered in World War II, V-J Day, or Victory over Japan Day, marks the end of World War II, one of the deadliest and most destructive wars in history. -
Creation of united Nations
Four months after the San Francisco Conference ended, the United Nations officially began, on 24 October 1945, when it came into existence after its Charter had been ratified by China, France, the Soviet Union, the United Kingdom, the United States and by a majority of other signatories. -
Period: to
Warsaw pact