• Four hundred years have passed since the arrival of the first 20 slaves into the US.
• Many of the United States’ most famous buildings were built by enslaved African Americans, including the White House and the US Capitol.
• Here are 15 famous American landmarks you may not have known were built by slaves.
• Visit Business Insider’s homepage for more stories.

In December 2016, former first lady Michelle Obama declared as a sign of how far the nation has come: “I wake up every morning in a house that was built by slaves.”

She was talking about the White House. And as the first read more >>>

Source:: BusinessInsider.Com