This Day in History This Day in History is a free service of garden024.com http://garden024.com en-us Farlex, Inc. Sat, 7 Mar 2020 05:00:00 GMT 360 This Day in History http://garden024.com http://img.tfd.com/modules/thm_history.png 120 60 Sat, 7 Mar 2020 05:00:00 GMT This Day in History http://encyclopedia.garden024.com/Alexander+Graham+Bell //encyclopedia.garden024.com/Alexander+Graham+Bell# Originally an audiologist, professor, and teacher of the deaf, Bell became interested in the idea of transmitting sound waves by wire when he misread a thesis by a German physicist. He mistakenly believed that the thesis implied such a transmission was possible. It did not, but Bell's idea was sound. Later, he described his mistranslation as a "valuable blunder." Three days after receiving a patent for his device, he spoke the first sentence ever transmitted by telephone. What was it?
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Fri, 6 Mar 2020 05:00:00 GMT This Day in History http://encyclopedia.garden024.com/Walter+Cronkite //encyclopedia.garden024.com/Walter+Cronkite# During his career as a broadcast journalist, "Uncle Walter," as Cronkite was affectionately known, was identified in public opinion polls as the most trusted man in America. He was managing editor and anchorman of The CBS Evening News with Walter Cronkite for almost 20 years and covered the first televised US presidential election, the 1969 moon landing, and the assassination of US President John F. Kennedy. In 1981, he signed off for the last time with what famous phrase?
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Thu, 5 Mar 2020 05:00:00 GMT This Day in History http://encyclopedia.garden024.com/Air+brake+(rail) //encyclopedia.garden024.com/Air+brake+(rail)# Prior to the advent of trucking in the early 1900s, rail was the only efficient way to transport goods over land. However, before the 1870s, there was no easy way to quickly stop the extremely heavy freight trains. Brakemen scrambled over the tops of moving cars to activate hand brakes on each one. The system was unreliable, resulting in frequent derailments, and many brakemen were killed or maimed after falling from trains. The air brake solved all of those problems. How did it work?
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