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Katie Gales Chapter 27 Timeline
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Harry Truman becomes President to address the nation on TV
President Harry S. Truman delivered the first televised presidential address from the White House.Truman became the first presidential candidate to air a paid political ad on TV. -
Transistor is Invented
The transistor was most important electronics event of the 20th century. It made it possible to the integrated circuit and microprocessor that are the basis of modern electronics. -
Eisenhower and Congress add "Under God" to the Pledge
Eisenhower encouraged Congress to add the words "Under God" to the Pledge of Allegiance. It created a 31-word pledge we say today. Some people objected this alteration, but more agreed with it. -
Polio Vaccine is Announced to the World
Polio had 58,000 new cases reported in the United States, and more than 3,000 died from the disease. For promising eventually to cure the disease. This really only affected children. -
First Nuclear power plant goes online
Nuclear power plants provide about 6% of the world's energy and 14% of the world's electricity. -
Nasa is Established
The establishment of NASA was a sign that the United States was committed to winning the "space race" against the Soviets. The Soviet Union shocked the world by launching the first satellite into orbit around the earth, called Sputnik. The small spacecraft was an embarrassment to the United States.
