From April 25, 2025 to April 27, 2025, the annual meeting of the Anesthesia History Association (AHA) was held in Rochester, Minnesota at the Marriott and Kahler Hotels. It was co-hosted by Mayo Clinic’s Department of Anesthesiology and Perioperative Medicine and the History of Anesthesia Society. 

During the First International Symposium of Modern Anesthesia History in Rotterdam in 1982, a group of members of the American Society Anesthesiologists (ASA) who were in attendance discussed the organization of an anesthesia history society in the United States. Later that year a larger group of ASA members met and by January 1983, the name “Anesthesia History Association” was agreed upon. The “Inaugural Meeting” of the AHA was then held on October 9, 1983. Their annual meeting occurs in the spring. The History of Anaesthesia Society was founded in 1986. The purpose of the Society is to promote the study of the history of anaesthesia and related disciplines. Their annual conference is held each fall.