The Gilder Lehrman Institute of American History has announced that Professor Andrew Lambert has been awarded the sixth annual Gilder Lehrman Prize for Military History for Seapower States: Maritime Culture, Continental Empires and the Conflict That Made the Modern World (Yale). The $50,000 prize is bestowed annually in recognition of the best book in the field of military history published in English during the previous calendar year. A program celebrating the winner and the shortlisted authors will take place on Monday, October 28, 2019, at 6:30 p.m. at the New-York Historical Society.