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the development of the first atomic bomb is signed into agreement between Great Britain and America
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The US marines land on Guadalcanal in the Solomon Islands.
First American offensive of WWII -
The Jefferson Memorial is dedicated
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Planning the June 1944 invasion of Europe (Operation Overlord) with US President FDR, British Prime Minister Winston Churchill, and Soviet leader Josef Stalin
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Allied soldiers stormed the beaches of France to begin the World War II invasion of Europe that would lead to the liberation of Paris. Operation Overlord was the largest amphibious military operation in history.
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Two ships loading ammunition at Port Chicago Naval Weapons Station in CA explode killing 320 people
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US invades Okinawa
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President FDR dies suddenly leaving Harry S. Truman to assume the role of president
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unconditional surrender of Germany at Reims, France concludes WWII in Europe
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Island nation of the Philippines is given independence by the US
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President Harry S. Truman gives the go-ahead for the use of the atomic bomb with the bombing of Hiroshima. Three days later, the second bomb is dropped on Nagasaki, Japan.
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Emperor Hirohito surrenders
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The Truman Doctrine is announced to the U.S. Congress. When passed it would grant $400 million in aid to Greece and Turkey to battle Communist terrorism
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Secretary of State George C. Marshall proposes aid extension to European nations for war recovery which would lead to Congressional approval of $12 billion over the following four years.
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The Soviet Union begins its land blockade of the Allied sectors of Berlin, Germany.
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the North American Treaty Organization, is formed by the United States, Canada, and ten Western European nations. The treaty stated that any attack against one nation would be considered an attack against them all.
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The Korean War begins its three-year conflict when troops of North Korea, backed with Soviet weaponry, invade South Korea. This act leads to U.S. involvement when two days later, the United States Air Force and Navy are ordered by President Truman to the peninsula.
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The inauguration of trans-continental television occurred with the broadcast of President Truman's speech at the Japanese Peace Treaty Conference in San Francisco.
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At Eniwetok Atoll in the Pacific Ocean, the first hydrogen bomb, named Mike, is exploded.