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The International History Olympiad is sponsored by Houghton Mifflin Harcourt, the worldwide leader in social studies resources and textbooks for primary and secondary school students. Houghton Mifflin Harcourt’s support will help bring together the top history students from around the world for an unforgettable week of competition and camaraderie in historic Williamburg, Virginia in July 2015. We thank Houghton Mifflin Harcourt for their steadfast support of the inaugural International History Olympiad!