- Prohibition is repealed.
- Sallah Mohammed Faisel el-Kahir helps Indiana Jones to find the Tomb of Hermes during his quest for the Philosopher's Stone.
- Indiana Jones and Marya Smirnova confront the fellowship of a resurrected Thuggee temple in Bhubaneshwar, India.
- Marshal Kai Ti Chang, leader of the Black Dragon Triad, starts a collaboration with the Nazi treasure hunter Albrecht Von Beck, in order to find to Heart of the Dragon.
- Indiana Jones loses the Crystal Skull of Cozan to the Nazis in France, then helps Walter Granger and Joan Starbuck search for her missing father in Mongolia. He also frees Wu Han from Lao Che's servitude.
- President Roosevelt implements the New Deal.
- The Weimar Republic in Germany falls.
- Sigmund Freud's books are burned by the Nazis in Berlin.
- Off the coast of Denmark
- The Roaring Twenties (Glossary)
- Indiana Jones and the Philosopher's Stone
- Indiana Jones and the Curse of Horror Island
- Indiana Jones and the Giants of the Silver Tower
- Indiana Jones et la Cité de la Foudre
- Indiana Jones and the Dinosaur Eggs
- Sigmund Freud (Non-fiction source)
- The World of Indiana Jones
Notes and references