Helen Mae
GROHNDORFF
(b.
12 August 1899
,
De Pere, Brown, Wisconsin, USA
d.
4 December 1965
,
New York, USA
)
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GROHNDORFF Family Tree – Connecting the Past to the Present!
Helen Mae GROHNDORFF was born 12 August 1899 in De Pere, Brown, Wisconsin, USA
Helen Mae GROHNDORFF was the child of William Gustave GROHNDORFF and Lillie BLODGETT and the grandchild of: (paternal) Carl Friedrich GROHNDORF and Anna Carolina Louise SCHMIDT (maternal) James BLODGETT (BLAZEK) and Anna PELISHEKHelen Mae GROHNDORFF died 4 December 1965 in New York, USA.
m. 30 Jul 1930, DePere, Brown County, Wisconsin, USA
Harold S. Pray
(1898–1972)
Details of the family tree of Helen appear below.
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Discovering the Ancestry of Helen Mae GROHNDORFF: Events, Photos & Historical Records
1899 Birth 12 August 1899
De Pere, Brown, Wisconsin, USA
In 1906, Reginald Fessenden made the first AM radio broadcast on December 24th. This event marked a significant advancement in radio technology, paving the way for the modern broadcasting industry. 1913 - The assembly line is invented (Henry Ford, United States)The bra is invented (Mary Phelps Jacob, United States)
1929 - October 29 - Black Tuesday - Stock market crash - The Great Depression Begins - It lasted until 1941 (WW2) 1934 - The metal beverage can is invented (American Can Co., United States)1935 - August 14 – United States President Franklin Roosevelt signs the Social Security Act into law 1940 - April - 1st electron microscope demonstrated (RCA), Philadelphia, Pennsylvania, USA The microwave oven was invented accidentally in 1945 by Percy Spencer, a Raytheon engineer. While testing a magnetron, he noticed microwaves melted a candy bar in his pocket. Experimenting further, he discovered microwaves could cook food quickly. Raytheon patented the process, and by 1947, they built the first commercial microwave oven, called the 'Radarange.' Initially used in commercial settings, microwaves becomes affordable for home use by the 1960s and 1970s, revolutionizing cooking.1962 - The Cuban Missile Crisis was a tense 13-day standoff in October 1962 between the United States and the Soviet Union over the installation of Soviet nuclear missiles in Cuba, just 90 miles from the U.S. coast. The crisis is considered the closest the Cold War came to escalating into a full-scale nuclear war. It began when American spy planes discovered the missiles, leading to a U.S. naval blockade of Cuba and intense negotiations. The crisis ended when Soviet Premier Nikita Khrushchev agreed to remove the missiles in exchange for the U.S. promising not to invade Cuba and secretly agreeing to remove American missiles from Turkey.1963 - I Have a Dream Speech - Martin Luther King's Address at March on Washington August 28, 1963.
1965 Death 4 December 1965
New York, USA
She died at the age of 66.
Added: 4/22/2022 10:23:01 AM
- Updated: 4/22/2022 10:23:01 AM
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