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  Counts a population in the United States of over 150 million people.
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  Inauguration of trans-continental television occurs with the broadcast of President Truman's speech here
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  The first hydrogen bomb, named Mike, is exploded.
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  The United States CIA assists in the overthrow
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  The first colored television goes on sale.
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  The first large scale vaccination of polio begins in Pittsburgh.
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  Racial segregation in public schools is declared unconstitutional by the United States Supreme Court in Brown vs. the Board of Education.
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  African American seamstress, refuses to give up her seat on the bus to a white man, prompting a boycott.
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  Interstate highway system begins
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  It would discover the Van Allen radiation belt.