1741- In Uppsala, Sweden, Anders Celsius first used a Delisle thermometer he had marked up with 100 gradations between boiling and freezing. It was the first use of the centigrade scale of temperature.
http://books.google.co.uk/books?id=IJ91od-UYygC&pg=PA54&lpg=PA54&dq=centigrade+scale+1741&source=bl&ots=kPQL5iw7ec&sig=Wh0yZTFng0stpDzZ-yPrbGcTMtc&hl=en&ei=6mzYToWcNMGMiAL0n5WqCg&sa=X&oi=book_result&ct=result&sqi=2&redir_esc=y#v=onepage&q=centigrade%20scale%201741&f=false
1959 – Sony announced its first television set, the transistor-based TV-301. It would go on sale in Japan the following May.
http://www.sony.net/SonyInfo/CorporateInfo/History/capsule/21/index.html
1990 – Tim Berners-Lee with help from CERN computer scientist Robert Cailliau and others— set up the first successful communication between a Web browser and server via the Internet.
http://www.w3.org/DesignIssues/TimBook-old/History.html
Read Tom’s science fiction and other fiction books at Merritt’s Books site.