First intended as an entrance for social events, the East Wing became the first lady's office space. Historians say the shift was a key part of professionalizing staff for the president's wife.

The speedy demolition of the East Wing of the White House last week has health advocates and Democratic lawmakers seeking answers about what efforts were taken, if any, to keep workers and passersby safe from potential plumes of asbestos that could arise from the destruction, according to a report by The Washington Post.