One thousand Nigerian troops were airlifted into Liberia to end the occupation of Monrovia.
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The Transcontinental Railroad linking up the East and West halves of the US was completed in Colorado.
Mainz Psalter was published, making it the first book with a printed publication date on it.
Richard Branson's attempt at obtaining the fastest Atlantic crossing ended when his speed boat crashed.
Spanish conquistador Pedro Arias Dávila founded Panama City.
Ohio State University's Big Ear radio telescope detected a deep-space radio signal.