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President Eisenhower and Congress add the words “Under God” to the Pledge of Allegiance.
The pledge of alligence was modified four times but the most recent one was when they added "under god". The Pledge of Allegiance of the United States is an expression of loyalty to the federal flag and the republic of the United States of America, originally composed by Christian Socialist Francis Bellamy in 1892 and formally adopted by Congress as the pledge in 1942. THe pledge was also recited in alot of schools and still is today. -
Polio vaccine announced to the world by Dr. Jonas Salk and Dr. Thomas Francis
Jonas Salk was famous for developing the first, safe polio vaccine. he tested it on millions even more children. Polio was considered one of the most deadly diseases in that time. -
NASA is established
The midst of the Cold War, a country that aspired to global, could not let that challenge pass. Although the United States already had its own satellite plans in place as part of the International Geophysical Year, the Russian events spurred the Space Age, and in particular gave urgency to the founding of an American national space agency. In the wake of the Sputniks -
Transistor is invented, spurring growth in computers and electronics
The first transistor was invented at Bell Laboratories on December 16, 1947 by William Shockley (seated at Brattain's laboratory bench), John Bardeen (left) and Walter Brattain (right). This was perhaps the most important electronics event of the 20th century, as it later made possible the integrated circuit and microprocessor that are the basis of modern electronics. Prior to the transistor the only alternative to its current regulation and switching functions (TRANSfer resISTOR) was the vacuum -
Harry Truman becomes the first president to address the nation on TV from the White House.
On 1951, President Harry Truman's opening speech before a conference in San Francisco was broadcast across the nation, marking the first time a television program was broadcast from coast to coast. His speech focused on Truman's acceptance of a treaty that officially ended America's post-World War II occupation of Japan.The broadcast was picked up by 87 stations in 47 cities, according to CBS. -
The first nuclear power plant in the U.S. goes online at Shippingport, Pa.
This was the first atomic power plant devoted exclusively to peacetime uses. It also produced for military uses. The Atomic power station was located near the present-day Beaver Valley Nuclear Generating Station on the Ohio River in Beaver County, Pennsylvania.
