Mainz Psalter was published, making it the first book with a printed publication date on it.
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The world's second oldest theme park, Tivoli Gardens, opened in Copenhagen, Denmark.
Kristofer Helgen announced the discovery of the olinguito, a mammal of the raccoon family Procyonidae.
The Sistine Chapel in the Vatican opened for its first mass.
New Zealand's All Blacks played their first international test against Australia at Sydney Cricket Ground.
Spanish conquistador Pedro Arias Dávila founded Panama City.