The 30th anniversary of the UK Association for Computational Mechanics.

This article commemorates the third decade of the UK Association for Computational Mechanics, formerly known as the Association of Computational Mechanics in Engineering. An historical overview is provided, from the establishment of the Association in March 1992 up to the end of 2022. The article includes brief biographies of the main researchers involved in the establishment of the Association. Over this 30-year period, the Annual Conference has been a significant event and details are given of the Conference organisers, the venues and the plenary speakers.