Mainz Psalter was published, making it the first book with a printed publication date on it.
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The Transcontinental Railroad linking up the East and West halves of the US was completed in Colorado.
The world's second oldest theme park, Tivoli Gardens, opened in Copenhagen, Denmark.
Spanish conquistador Pedro Arias Dávila founded Panama City.
Cave monastery Vardzia was blessed by Queen Tamar of Georgia.
After six years at war, Japan surrendered, marking the end of World War II.