Many things happened to the European Empire and what truly happened was that it was near a collapse.
They took the fish
His empire was divided by the Treaty of Verdun (843) after the death of his son, Emperor Louis I , among Louis's three sons. The empire thrived.
A new monarch was crowned. The Holy Roman Empire was large during the middle ages! Which was dissolved in 1804 during the War of the Third Coalition by Napoleon in the Battle of Austerlitz.
The fall of the Roman empire, the dark ages then began. Also Clovis (King of Frankish) dies and the Migration period starts.
Many things happened to the European Empire and what truly happened was that it was near a collapse.
My Empire happened in 2010.
The Empire of Karn happened in 1985.
Ashes of Empire happened in 1992.
Zoo Empire happened in 2004.
Casino Empire happened in 2002.
Lost Empire happened in 2007.
Restaurant Empire happened in 2003.
Jade Empire happened in 360.
The Ashes of Empire happened in 1982.
Empire Earth happened in 2001.
Titan Empire happened in 1983.