The 1940 timeline
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“…When the nation is in the throes of a mighty war effort, when home economists are being mobilized on the home front as at no other time in history…”. The 1940 timeline . By: Kristin Clasen . HISTORICAL EVENTS .

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The 1940 timeline

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The 1940 timeline

“…When the nation is in the throes of a mighty war effort, when home economists are being mobilized on the home front as at no other time in history…”

The 1940 timeline

By: Kristin Clasen


The 1940 timeline

HISTORICAL EVENTS


The 1940 timeline

November 5, 1940 President Franklin D. Roosevelt becomes first man to hold office for three terms.


The 1940 timeline

December 7, 1941

The attack on Pearl Harbor, Hawaii, commences at 7:55 a.m. when Japanese fighter planes launch a surprise attack on United States.


The 1940 timeline

June 6, 1944 – The Normandy Invasion ( D-Day )


The 1940 timeline

August 6, 1945 - 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. 

On August 15, Emperor Hirohito of Japan surrenders


The 1940 timeline

INVENTIONS and TECHNOLOGY


The 1940 timeline

The Slinky was invented in 1945!


The 1940 timeline

In 1947, Erwin Land invented the single-step photographic process that enabled pictures to develop in sixty seconds


The 1940 timeline

The Real Solid Liquid made the toy catalog in 1949 !


The 1940 timeline

Engineer Dr. Percy LeBaron Spencer was working at Raytheon Corporation and discovered the microwaves he was working with melted his candy bar! This was the first introduction to the concept of the microwaves!


The 1940 timeline

Medical Advances


The 1940 timeline

Penicillin is available to the public in 1940


The 1940 timeline

In 1947,

Dr. Willem J. Kollif invented the kidney dialysis


The 1940 timeline

In 1948, Kevin Tuohy began manufacturing contact lenses made entirely of plastic.


The 1940 timeline

In1949,

Cortisone produced by the cortex of the adrenal glands

was synthesized and proved to have therapeutic value in rheumatoid arthritis and a variety of inflammatory diseases.


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