Founding of the Mayo Clinic
On September 30, 1889, the first building of the Mayo Clinic opened to the public. Today its one of the world’s largest medical centers and the top-ranked hospital in the US.
Technology
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First State Fair in America
On September 29, 1841, New York held the first state fair in the US. Today it’s the oldest and one of the most highly attended of all US state fairs.
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The First Printing Press in America
On September 25, 1639, the first printing press in America was set up in Cambridge, Massachusetts Bay Colony. The press remained in continuous use for 150 years, printing some of the first books in the New World.
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American Association for the Advancement of Science
The American Association for the Advancement of Science (AAAS) was founded on September 20, 1848, in Philadelphia, Pennsylvania. It grew to become the world’s largest general scientific society with more than 120,000 members.
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Start of the Electrical Age
On September 4, 1882, Thomas Edison began providing electricity to a portion of New York City, an event often considered the start of the electrical age.
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Early Commercial Radio
On August 20, 1920, Detroit’s 8MK radio station began daily broadcasts. Still in operation today, the station often claims to be the first commercial radio station, though a few others have also staked their claim on that title.
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U.S. Post Offices Takes Over Airmail Flights
On August 12, 1918, the US Post Office Department took over control of airmail service from the US Army Air Service. Under the Post Office Department, the service flourished, leading to transcontinental airmail service, which was eventually taken over by private companies.
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The World Wide Web
On August 6, 1991, Tim Berners-Lee published the first-ever website, heralding the start of the world wide web. The web has grown to over 1.8 billion websites today, and continues to grow every day.
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Winton Auto Test-Drive
On July 28, 1897, Alexander Winton began a nine-day test-drive of his automobile, proving its reliability to investors. Winton went on to become the top-selling automobile manufacturer for several years. He had more than 100 patents, and often allowed others to use them for free when safety was involved.
