Maybe american indians did?
The age of the universe, the identity of quasars, and the existence of dark energy.
Google and copy and paste
From November 15 until December 21, 1864, Union General William T. Sherman led some 60,000 soldiers on a 285-mile march from Atlanta to Savannah, Georgia. The purpose of this “March to the Sea” was to frighten Georgia's civilian population into abandoning the Confederate cause.
