Save the date for the ACA's 75th Annual Meeting, taking place July 18–23, 2025, at the Westin Chicago Lombard (70 Yorktown Shopping Center, Lombard, IL 60148). Join us in celebrating this milestone anniversary with a journey through ACA's history, while engaging in insightful presentations, collaborative discussions, and pioneering discoveries that will continue to shape the future of structural science. Stay tuned for more information, and don't forget to explore our ACA history portal to learn more about the legacy of our meetings.