general knowledge

Obviously you know……

    Obviously you know…… Grahm Bell invented the telephone. Edison was the pioneer of bulb. Hawaii became the US territory in 1898. Fidel Castro led the successful revolution in…

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For your information

  For your information Berlin wall constructed in 1961 and fell in 1989. Soviet Union exploded atomic bomb in 1949. Our earth is 92.957, 130 miles from sun. First Soviet…

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