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.
A list of presidents who owned slaves, both while in office or at other times during their lives, has been compiled by Robert Lopresti, a librarian at Western Washington University. Based on his well-documented research, he says 12 of our presidents owned slaves and eight of them owned slaves while serving as president.