// todo need optimize like in event.jsp. Add indexing or not indexing this page. Niels Bohr Niels Bohr improved on Rutherford’s model. Every atom has a specific number of electron shells. (jul 21, 1913 – sep 20, 2037) (Timeline)
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Niels Bohr Niels Bohr improved on Rutherford’s model. Every atom has a specific number of electron shells. (jul 21, 1913 – sep 20, 2037)

Added to timeline:

12 Jan 2018

Date:

jul 21, 1913
sep 20, 2037
~ 124 years

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