March 20, 1900 (Tuesday)
- Nikolai Tesla received patent No. 645,576 for wireless transmission of electrical power, the first in a series of patents for sending "industrially significant amounts of power" from one station to another without electrical wires. Tesla's U.S. Patent 685,012 "Means for Increasing the Intensity of Electrical Oscillations" was granted the next day.
- In Washington, U.S. Secretary of State John Hay informed the ambassadors from six of the world's major powers (Great Britain, France, Germany, Russia, Italy and Japan) that he considered them to have accepted his proposal for an Open Door Policy and non-interference in China. His instructions to each government were that the United States regarded the answers as "definitive and binding".
- The Borough of Metuchen, New Jersey, was incorporated.
- Born: Morris K. Jessup, UFO author, in Rockville, Indiana (d.1959)
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Famous quotes containing the word march:
“On a late-winter evening in 1983, while driving through fog along the Maine coast, recollections of old campfires began to drift into the March mist, and I thought of the Abnaki Indians of the Algonquin tribe who dwelt near Bangor a thousand years ago.”
—Norman Mailer (b. 1923)