Martha Elizabeth SHEETS (b. 14 October 1919 , Cape Coral, Florida, USA d. 16 June 2009 , )
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Martha Elizabeth SHEETS was born 14 October 1919 in Cape Coral, Florida, USA
Martha Elizabeth SHEETS was the child of ? and ?Martha Elizabeth SHEETS died 16 June 2009
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Exploring the Ancestry of Martha Elizabeth SHEETS: Events, Pictures, and Documents
1919 Birth
14 October 1919
Cape Coral, Florida, USA
14 October 1919
Cape Coral, Florida, 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: 6/12/2023 4:26:30 PM
- Updated: 6/12/2023 4:26:30 PM
America - Did you know? 1838 - More than 15,000 Cherokee Indians are forced to march from Georgia to Indian Territory in present-day Oklahoma. Approximately 4,000 die from starvation and disease along the "Trail of Tears."
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