- John J. Pershing is made a brigadier general.
- July 8: The Joneses travel to the abbey of Cantaney, France, mentioned by Marcus Brody. Henry Jones finds proof that the Grail is genuine.
- July 16: Henry Jones visits the Klasenheim castle containing Grail artifacts including a Flemish painting of Jesus Christ's crucifixion which he believes to have been made by the same Franciscan friar who wrote down the words of the Third brother.
Notes and references