Prudentius, often acclaimed as the greatest Latin Christian poet, was born probably in Calahorra, Spain, the son of highly cultured Roman citizens and fervent Christians. His death occurred after 405. The metric structure of his poems clearly shows the great influence of Horace although echoes of other Latin poets are likewise detected. The Book of Hymns for Every Day (Liber Cathemerinon) is a collection of hymns for use at times of prayer that were once customary in the early Church: at cock-crow, morning hymn, hymns before and after repast, hymn at time of lamp lighting, hymn before sleep. Hymns to be used for special feasts and occasions conclude the work. The Book of the Martyrs' Crowns (Liber Peristephanon) is a work that comprises fourteen hymns in honor of various martyrs. Six hymns honor the Spanish martyrs: Emeterius, Chelidonius, Eulalia, the Eighteen Martyrs of Saragossa, Vincent, Fructuosus and companions. Five hymns sing the praises of Roman martyrs: Lawrence, Cassian, Hippolytus, Peter and Paul, Agnes. Three more hymns honoring the memory of Quirinus, Romanus and Cyprian conclude this work. The accounts of the martyrdom of Sts. Emetrius, Chelidonius, Lawrence, Eulalia, Cassian, Romanus, Hippolytus, the Eighteen Martyrs of Saragossa are the earliest extant.