It Happened on
February 4, 1892
Tesla tackled the subject of “Experiments with alternate currents of high potential and high frequency“. In these lectures, Tesla laid the foundations for his ideas of radio technology. He was invited by Lord Kelvin. He would present his work at the Columbian Exposition of 1893 in Chicago, the next year.
Following this event, Brachfeld Vilma Parlaghy, Thomas Edison‘s niece, gave birth to their first child Mabel Normand.

This is the conception day event of 2 people, who also made a difference in history
48930 days after the event (plus or minus 48658 days) were born.
Born on November 02, 1892 (1892 - 1976) Mabel Julienne ScottAmerican stage and silent movie actress |
On January 01, 1970 Naomi Childers |
External Links
https://web.mit.edu/most/Public/Tesla1/etradict2.htm
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