933 Normandy became bigger

Normandy, France
Cotentin and Jersey were seized by William Longsword, son of Rollo and the Duke of Normandy.
Norman expansion in France 10th century
Longsword recognized Rudolph as King of Western Francia, who was struggling to assert his power in Northern France. Rudolph gave him the lands of the Bretons including Avranches and the Cotentin Peninsula. Resistance to the Normans was led by Alan Wrybeard, Duke of Brittany and Count Berenger of Rennes but ended shortly with Alan escaping to England and Beranger seeking to negotiate.
Norway 
After Harald fair hair had  died, Eric Bloodaxe became new ruler and several attacks were made on Danish territory.