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APRIL 7

1860 W. K. Kellogg (Michigan-born Founder of Kellogg Cereals, Inventor of the Corn Flake) W.K. Kellogg Inventors and Inventions Food and Nutrition Business
1890 Marjory Stoneman Douglas (Minnesota-born Conservationist of the Florida Everglades) Marjory Stoneman Douglas The Everglades The Earth and Environment
1921 Makoto Kobayashi (Japanes Physicist; 2008 Nobel Laureate for Physics) Makoto Kobayashi Subatomic Particles 2008 Nobel Laureate for Physics
Deaths
Persons of Historic Significance Who Have Died on This Date
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1795 France Adopts the Metric System As Its Standard of Measurement France The Metric System U.S. Metric Association
1906 Italy's Mt. Vesuvius Erupts Mt. Vesuvius Volcanoes Vesuvioinrete.it
1927 First Long Distance TV Broadcast (Herbert Hoover's Speech Washington to New York) Washington, D.C. New York City Herbert Hoover Television Historic Firsts The New York Times</I>
1934 Congress Passes the Jones-Connally Farm-Relief Act U.S. Congress Farming and Agriculture The Great Depression The History Channel
1956 The Last Streetcar in Detroit Is Taken Out of Service Detroit Transportation Historical Society of Michigan (pdf)
1957 New York City's Last Electric Trolley Completes Its Final Run New York City The New York Times
1958 7.3 Magnitude Earthquake Is Centered on Huslia, Alaska Alaska Earthquake USGS
1959 A Dust Storm Occurs Over Much of Minnesota Minnesota Dust Storms Minnesota Historical Society
1970 7.5 Magnitude Earthquake Kills 15 on the Philippines Island of Luzon Republic of the Philippines Earthquake Death USGS
1978 President Jimmy Carter Postpones Production of Controversial Neutron Bomb President Jimmy Carter Nuclear Weapons BBC
1986 British Home-computing Pioneer Clive Sinclair Sells the Rights to His Inventions for 5M British Scientists and Inventors History of Technology Inventors and Inventions Business BBC
2001 NASA Launches Odyssey Spacecraft on 6-month, 286M-mile Journey to Mars Space Exploration Mars NASA

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