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Mallory Bush Chapter 27 Timeline
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Harry Truman adresses the nation on TV from the White House
Truman adressed the nation from the White House. This made him the first president to ever do this. He even aired a paid political advertisment on television as well. -
The Transistor is Invented
In this year the tranistor was invented. It was a new device used as a radio. This new invention changed the ways computers were developed. -
"Under God" is Added to The Pledge of Allegiance
On this date, congress added the words "Under God" to the Pledge of Allegiance. This was all because of Dwight Eisenhower who wanted a longer pledge. Now this is known as the last time that the pledge was changed. -
Dr. Thomas Francis and Jonas Salk Announce Polio Vaccine
This new vaccine was announced on this day as a safe way to cure the disease. Many Americans had suffered from having Polio and the announcement was made 10 years after the death of President Roosevelt. This news was talked about in the media by the whole nation. -
First Nuclear Power Plant
Westinghouse Electric designed the plant in conjunction with the Atomic Energy Commission. When it was in operation, nuclear fission heated water, which transferred its heat to convert the water in a secondary system into steam, which drove the turbine that created the electricity. -
NASA becomes established
It may well be argued that NASA has become the world's premier agent for exploration, carrying on in "the new ocean" of outer space a long tradition of expanding the physical and mental boundaries of humanity. Fifty years ago, however the agency that pushed the frontiers of aeronautics, took us to the moon, flew the space shuttle, built the International Space Station and revealed the secrets of the cosmos, was in its birth throes, and fundamental decisions were being made that profoundly shaped
