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450th anniversary: The cornerstone of Danish astronomer Tycho Brahe's observatory Uraniborg was...

Sat, August 8, 2026

3 mo ago

Source

In 1576, The cornerstone of Danish astronomer Tycho Brahe's observatory Uraniborg was laid on the island of Hven.

Also on Aug 8, 2026

Source, method and history
Source
Wikipedia
How we know
Wikipedia "On this day" selected anniversary, 450 years (1576 to 2026).
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annual
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None recorded.