The UCD Law Society is one of the largest student societies in Europe. Established in 1911 as 'The Legal and Economic Society', it has over 4100 members drawn from the various faculties of the university. Weekly Tuesday night debates during term are the society's core activity. Individuals who have addressed the society include President of Ireland Michael D. Higgins, former Irish Taoiseach (Prime Minister), Bertie Ahern and President of the European Council Donald Tusk. The society's motto is "Ar son na Córa" (In Favour of Justice). The current Auditor is Robert Grendon.