Europe was where all 92 naturally occurring elements were initially discovered and identified. However, as atomic research progressed, the focus on discovering artificial elements shifted to the USA.

Source

• Hans-Jürgen Quadbeck-Seeger, World of the Elements, Elements of the World, Wiley-VCH Verlag GmbH & Co, KGaA, Weinheim, 2007. https://doi.org/10.1002/9783527611577
  Print ISBN: 9783527320653, Online ISBN: 9783527611577

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