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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

“…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 effort, when home economists are being mobilized on the home front as at no other time in history…”


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


December 7, 1941 first man to hold office for three terms.

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


June 6, 1944 – The Normandy Invasion ( D-Day ) first man to hold office for three terms.


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


INVENTIONS and TECHNOLOGY 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. 


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.  Slinky was invented in 1945!


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


The Real Solid Liquid made the toy catalog in 1949 ! process that enabled pictures to develop in sixty seconds


Engineer Dr. Percy process that enabled pictures to develop in sixty secondsLeBaron 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!


Medical Advances process that enabled pictures to develop in sixty seconds


Penicillin is available to the public in 1940 process that enabled pictures to develop in sixty seconds


In 1947, process that enabled pictures to develop in sixty seconds

Dr. Willem J. Kollif invented the kidney dialysis


In 1948, Kevin process that enabled pictures to develop in sixty secondsTuohy began manufacturing contact lenses made entirely of plastic.


In1949, process that enabled pictures to develop in sixty seconds

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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