In recent years there has been much interest in collective memory and commemoration. It is often assumed that when nations celebrate a historic day, they put aside the divisions of the present to recall the past in a spirit of unity. As Billig and Marinho show, this does not apply to the Portuguese parliament's annual celebration of 25 April 1974, the day when the dictatorship, established by Salazar and continued by Caetano, was finally overthrown...