The world’s second oldest theme park, Tivoli Gardens, opened in Copenhagen, Denmark.
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Spanish conquistador Pedro Arias Dávila founded Panama City.
The foundations for Cologne Cathedral were laid in preparation for its construction.
Bahrain declared independence from Britain.
Cave monastery Vardzia was blessed by Queen Tamar of Georgia.
The Transcontinental Railroad linking up the East and West halves of the US was completed in Colorado.
