Template:Selected anniversaries/July 25

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  • 1837: The first commercial use of an electrical telegraph is successfully demonstrated in London by William Cooke and Charles Wheatstone.

    1837: The first commercial use of an electrical telegraph is successfully demonstrated in London by William Cooke and Charles Wheatstone.

  • 1920: Chemist and X-ray crystallographer Rosalind Franklin born. She will make contributions to the understanding of the molecular structures of DNA (deoxyribonucleic acid), RNA (ribonucleic acid), viruses, coal, and graphite.

    1920: Chemist and X-ray crystallographer Rosalind Franklin born. She will make contributions to the understanding of the molecular structures of DNA (deoxyribonucleic acid), RNA (ribonucleic acid), viruses, coal, and graphite.

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