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.
Based on his well-documented research, he says 12 of our presidents owned slaves and eight of them owned slaves while serving as president. Zachary Taylor was the last sitting president to own slaves. Taylor owned 100 slaves and a Mississippi plantation, but he also opposed the extension of slavery to new territories.