The last time that Congress was held in Denver was 1962. There were 1,578 attendees present.

AORN Congress has been held 9 times in Anaheim, 8 times in Dallas, and 5 times each in Atlanta and New Orleans. Find out how many other cities have hosted AORN Congress.  

The budget for AORN’s inaugural Congress, held in New York in 1954, was $200.

There were 1,790 attendees present at the first Congress. There were approximately 5,600 attendees present at the 2009 Congress in Chicago.

Congress topics during the 1960's and first half of the 1970's focused on defining and justifying the role of the OR nurse.

In the 1990's, computer technology and use of the Internet swept into perioperative nursing.