Spanish conquistador Pedro Arias Dávila founded Panama City.
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Kristofer Helgen announced the discovery of the olinguito, a mammal of the raccoon family Procyonidae.
Mainz Psalter was published, making it the first book with a printed publication date on it.
One thousand Nigerian troops were airlifted into Liberia to end the occupation of Monrovia.
The world's second oldest theme park, Tivoli Gardens, opened in Copenhagen, Denmark.
An all-steel church called San Sebastian Church opened in Manila, Philippines.