Denmark is a united kingdom
ruled by Godfred about AD 800.
After king Godfred's death
the kingdom suffers from civil wars between his heirs. Denmark will be
reunited temporarily during the 9th. Century.
In Jutland a petty kingdom
with Jellinge as centre emerges. It will unite Denmark during the 10th.
Century
Harold Bluetooth reunites Denmark. He also conquers southern Norway
and Slavic areas in northern Germany, although he for a short period was a German vassal.
Denmark's king Sven is deposed by the
Swedish king Erik the victorious who conquers his kingdom.
Denmark is free from Swedish
rule although it has lost control over Norway to Olav Tryggvason.
The Danish king Sven and the
Swedish king Olof defeats Olav Tryggvason and divide Norway between them.
After a series of Viking
raids Sven becomes king over England.
After Sven's death his
kingdoms are divided between his sons. The Norwegians led by Olav the
holy rejects Danish rule.
The English king Canute the
great succeed his brother Harold as king over Denmark.
Canute the great defeats the
Norwegian and Swedish at the battle of Helgeå 1026. Afterwards he
conquers Norway and a part of Sweden.
Canute the Greats dies and
his empire is divided between his sons and enemies.
Denmark's king Hardeknut
succeed his brother Harold Harefoot as king over England.
Hardeknut dies and is
succeeded in Denmark by the Norwegian king Magnus the good.
Magnus the good dies and is
succeeded by different kings in Norway and Denmark.
Read also about Denmark's border changes
1050-1380.
