Billionaire Ken Griffin bought original copies of the 13th Amendment and the Emancipation Proclamation, both signed by former President Abraham Lincoln, at a New York Sotheby’s auction. The hedge fund ...

Palm Beach land baron Ken Griffin likes old things. Like dinosaur bones. Last year, he paid $44.6 million for a late Jurassic-era stegosaurus skeleton that was subsequently named Apex. And paper stuff ...

Ken Griffin just snapped up two more impressive pieces of U.S. history. The hedge fund billionaire just bought an Abraham Lincoln–signed copy of the Thirteenth Amendment via Sotheby’s for $13.7 ...

Colorado voters have approved an amendment to their state's constitution that completely abolishes slavery — by stripping out language that still exists in the 13th Amendment to the U.S. Constitution, ...

On Dec. 6, 1865, the 13th Amendment to the U.S. Constitution, abolishing slavery, was ratified as Georgia became the 27th state to endorse it. Also on this date: In 1907, at least 361 men and boys ...

The 13th Amendment of the Constitution was formally adopted and declared in effect by Secretary of State William H. Seward. The amendment ensured slavery was abolished in America. Gray Media, parent ...

Billionaire Ken Griffin just bought two of the most significant documents ever signed by President Abraham Lincoln, adding to his trove of Americana. Griffin reset the record for any document signed ...