The Transcontinental Railroad linking up the East and West halves of the US was completed in Colorado.
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New Zealand's All Blacks played their first international test against Australia at Sydney Cricket Ground.
The foundations for Cologne Cathedral were laid in preparation for its construction.
Mainz Psalter was published, making it the first book with a printed publication date on it.
Kristofer Helgen announced the discovery of the olinguito, a mammal of the raccoon family Procyonidae.
Bahrain declared independence from Britain.