The Transcontinental Railroad linking up the East and West halves of the US was completed in Colorado.
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Spanish conquistador Pedro Arias Dávila founded Panama City.
Ohio State University's Big Ear radio telescope detected a deep-space radio signal.
After six years at war, Japan surrendered, marking the end of World War II.
Cave monastery Vardzia was blessed by Queen Tamar of Georgia.
New Zealand's All Blacks played their first international test against Australia at Sydney Cricket Ground.
