Sphinx Observatory Opens Atop the Jungfraujoch
Jungfraujoch, Bernese Alps, Switzerland
CONFIRMED87% CONFIDENCEHappened as dated, per the source[1]: "The Sphinx observatory ... was completed in 1937."
The Sphinx Observatory, a research station tunnelled into a 3,571-metre Alpine summit above the Jungfraujoch, was completed in 1937 as one of Europe's most remote scientific buildings.
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