Passage: In 1048 Drogo commanded an expedition into Calabria via the valley of Crati, near Cosenza. He distributed the conquered territories in Calabria and gave his brother, Robert Guiscard, a castle at Scribla to guard the entrance to the recently conquered territory; Guiscard would later abandon it for a castle at San Marco Argentano. Shortly thereafter he married the daughter of another Norman lord, who gave him 200 knights (furthering his military campaign in Calabria). In 1051 Drogo was assassinated by Byzantine conspirators and was succeeded by his brother, Humphrey. Humphrey's first challenge was to deal with papal opposition to the Normans. The Norman knights' treatment of the Lombards during Drogo's reign triggered more revolts. During the unrest, the Italo-Norman John, Abbot of Fécamp was accosted on his return trip from Rome; he wrote to Pope Leo IX:

Question: What happened in 1048?
Drogo commanded an expedition into Calabria