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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 .

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The 1940 timeline

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  1. “…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

  2. HISTORICAL EVENTS

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

  4. 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.

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

  6. 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

  7. INVENTIONS and TECHNOLOGY

  8. The Slinky was invented in 1945!

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

  10. The Real Solid Liquid made the toy catalog in 1949 !

  11. 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!

  12. Medical Advances

  13. Penicillin is available to the public in 1940

  14. In 1947, Dr. Willem J. Kollif invented the kidney dialysis

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

  16. 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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