Harold Edgar
NIEBUHR
(b.
27 October 1918
,
Dakota City, Dakota, Nebraska, USA
d.
28 October 1993
,
)
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NIEBUHR Family Tree – Connecting the Past to the Present!
Harold Edgar NIEBUHR was born 27 October 1918 in Dakota City, Dakota, Nebraska, USA
Harold Edgar NIEBUHR was the child of Charles William NIEBUHR and Amelia Belle HARRIS and the grandchild of: (maternal) Henry H HARRIS and Mary Elizabeth SPENCERHarold Edgar NIEBUHR died 28 October 1993
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Discovering the Ancestry of Harold Edgar NIEBUHR: Events, Photos & Historical Records
1918 Birth 27 October 1918
Dakota City, Dakota, Nebraska, USA
1934 - The metal beverage can is invented (American Can Co., United States) 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. The cell phone was invented by Martin Cooper of Motorola. On April 3, 1973, he made the first handheld mobile phone call with the Motorola DynaTAC. This device weighed 2.5 pounds and was 10 inches long, offering 30 minutes of talk time and requiring 10 hours to charge. The first commercial cell phone was released in 1983, revolutionizing communication and leading to the modern smartphones we use today.
1981 - June 5 - First reported case of AIDS (Acquired Immune Deficiency Syndrome) 1989 - The World Wide Web is invented at CERN (Tim Berners-Lee, UK)
Added: 7/14/2026 4:27:49 PM
- Updated: 7/14/2026 4:27:49 PM
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