Historical Events in Church Annals for April 1:
The Lombards from the north began their trek across the Alps into Italy during the reign of Pope John III. The Lombards would go on to become an intricate culture in Italy for centuries.
Death of Saint Hugh of Grenoble, a Benedictine bishop who was in demand of the Popes of his time. He was canonized two years after his death by Pope Innocent III.
Death of Queen Elanor of Aquitaine, the Catholic Queen of both England and France.
Saint Catherine of Siena receives the Stigmata while on a visit to Pisa in northern Italy to organize religious revival in that city. Though the stigmata was invisible during her life, it became visible upon her death.
Death of King Robert II of Scotland.
Death of King Sigsimund I, monarch of Poland.
Gallileo, under scrutiny by the Church for his views and theories, is received in private audience by Pope Paul V.