St Adalbert of Prague (c 957-997) Martyr (Optional Memorial)
About St Adalbert: https://anastpaul.wordpress.com/2017/04/23/saint-of-the-day-23-april-st-adalbert-of-prague/
St George (died c 303) Martyr (Optional Memorial)
St George! – https://anastpaul.wordpress.com/2018/04/23/saint-of-the-day-23-april-st-george-died-c-303-martyr/
St Achilleus of Vienne
Bl Adalbert III of Salzburg
St Felix of Vienne
St Fortunatus of Vienna
St George of San Giorio
St Gerard of Orchimont
Bl Gerard of Toul
Bl Giles of Assisi
Bl Giles of Saumur
Bl Giorgio di Suelli
Bl Helen del Cavalanti
St Ibar of Meath
Bl Maria Gabriela Sagheddu
St Marolus of Milan
St Pusinna of Champagne
Bl Teresa Maria of the Cross (1846–1910)
—
Martyrs of Africa: A group of Christians murdered for their faith in northern Africa. Little information has survived but their names. The ones we know are – Catulinus, Chorus, Faustinus, Felicis, Felix, Nabors, Plenus, Salunus, Saturninus, Silvius, Solutus, Theodora, Theodorus, Theon, Ursus, Valerius, Venustus, Victorinus, Victurus, Vitalis