The Phi Xi Chapter of the Sigma Theta Tau International was founded on 22 September 2011 at the Nursing School of Coimbra. After a one-year probationary period, its incorporation was formally approved. It became the 492nd chapter of the international nursing organisation. Its prominent members are nurses of clinical practice, teaching nurses and leadership in nursing professionals as well as students who stand out for the excellence of their academic and engaging performance with nursing and citizenship.