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.
Sarah  Sally  Hemings (. 1773 â 1835) was an enslaved woman of mixed race owned by President Thomas Jefferson and who is believed to have had a long-term relationship and six children with him, of whom four survived and all were given freedom by Jefferson.emings had six children of record born into slavery; four survived to adulthood. Hemings was a domestic servant in Jefferson's house until his death. The historical question of whether Jefferson was the father of Hemings' children is known as the JeffersonâHemings controversy.