The White House Historical Association is a nonprofit organization established in 1961 to promote the preservation and understanding of the history of the White House. It works to educate the public about the significance of the building and its role in American history through various programs and resources. The association also supports the restoration and preservation of the White House and its collections. It publishes books, conducts research, and offers educational materials to enhance appreciation for the White House and its historical importance in the United States.