Six Flags Entertainment Corporation, or simply Six Flags, is an amusement park corporation based in the United States, with properties in the US, Canada, and Mexico.
There were 9 US presidents that had slaves at some time. These were George Washington, Thomas Jefferson, James Madison, Andrew Jackson, John Tyler, James K. Polk, Zachary Tayl â¦ or, Andrew Johnson, and Ulysses S. Grant.
Further information: Sally Hemings, Thomas Jefferson, and Thomas Jefferson and slavery. The JeffersonâHemings controversy is a historical debate over whether a sexual relationship between U.S. President Thomas Jefferson and his multiracial slave, Sally Hemings resulted in his fathering some or all of her six recorded children.