Donald Trump's claims about acing a cognitive test have sparked renewed interest in presidential intelligence. While Trump boasts of a perfect score, ...

Thomas Jefferson, the third American president, who led between 1801 and 1809 said of humanity “We hold these truths to be self-evident that all men are created equal, that they are endowed by ...

There is a consensus among anthropologists that slavery has always existed in human society. It is an offshoot of warfare.

By that point, President Thomas Jefferson had already chosen his former ... but the frontiersman unexpectedly died in 1809. Barton passed just a few years later. The German botanist Frederick ...

On February 12, 1809, two boys were born within a few ... Like the simultaneous deaths of Thomas Jefferson and John Adams on July 4, 1826, the accidental patterns of birth and death point to ...

The colossal sculpture on Mount Rushmore of four American presidents located in the Black Hills of South Dakota took nearly two decades to create.

In filling the gaps in our knowledge of Clark, who, along with Meriwether Lewis, led Thomas Jefferson's Corps of ... Lewis (who committed suicide in 1809) by 29 years and died at 68 in 1838 ...

When Thomas Jefferson is sitting in Washington DC or ... Some of the earliest freedom suits in the state or in the territory were around 1809. So there were some really early suits where ...