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.
Slaves helped build White House, U.S. Capitol. WASHINGTON (CNN) -- In January, President-elect Barack Obama and his family will make history, becoming the first African-American first family to move into the White House -- a house with a history of slavery. In fact, the legacy of American presidents owning slaves goes all the way back to George Washington.