Conversation so far:
Where were special screenings held?
the White House.
When did the special screening happen?
CANNOTANSWER.
Who arranged the screening?
Thomas Dixon, Jr.
Are there any other interesting aspects about this article?
the President was entirely unaware of the nature of the play before it was presented and at no time has expressed his approbation of it..

Question: Were there any other special screenings?
Self-contained rewrite: Were there any other special screenings for "The Birth of a Nation" besides the one in the White House?