900 The Magyars invade Italy and badly defeat Berengar. This is the cause of much dissatisfaction with Berengar among the nobles.
901 Louis of Provence invades Italy, and is crowned emperor Louis III by Benedict IV. Berengar flees to Germany, but returns and regains possession of his kingdom the following year (902).
905 After many struggles Berengar captures Louis and puts out his eyes.
915 Berengar crowned emperor by John X in reward for exertions against the Saracens.
921 Conspiracy of nobles against Berengar; the crown offered to Rudolf II of Burgundy. Berengar calls in aid of the Magyars.
924 The people of Verona, disgusted at Berengar’s alliance, slay him. The Hungarians pillage Pavia and withdraw from Italy. Rudolf of Burgundy succeeds.
926 Rudolf retires to Burgundy, owing to lack of support in Italy. Hugo, count of Arles, is placed on the throne by a powerful party.
931 Hugo associates his son, Lothair II, in the kingship. They are little more than puppets in the hands of a demoralised aristocracy. Hugo fails in attempt to obtain imperial dignity. He renounces his possessions in Provence to Rudolf on condition that the latter make no further attempts upon Italy.
946 Berengar, marquis of Ivrea, takes up arms against Hugo on account of his tyranny and oppression. Hugo dethroned. Lothair retains title, but Berengar is real ruler.
950 Death of Lothair. Berengar II and his son Adalbert are elected kings of Italy. Berengar tries to compel Adelheid, widow of Lothair, to marry Adalbert. On her refusal he treats her most cruelly.