The following companies and organizations are the Official Nationwide Sponsors of The National History Bee and Bowl. Publisher Houghton Mifflin Harcourt is our lead sponsor, generously providing funding for students in the USA to attend the International History Olympiad. All of our sponsors and partners have been very instrumental and helpful in various ways, and we appreciate and are grateful for their support!


Houghton Mifflin Harcourt
 society The Society of the Cincinnati
Anderson House, Washington, D.C.
Mount Vernon
Mount Vernon, VA
Charlottesville, VA
The Kosciuszko Foundation