Founded the world's first open-air museum, at Bygdøy, located next to his summer residence near Oslo (then known as Christiania)
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Founded the world's first open-air museum, at Bygdøy, located next to his summer residence near Oslo (then known as Christiania)
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-17 from Wikipedia. The archived copy is preserved so this citation survives link rot.