Sweyn Unifies Denmark

Timeline

1. 1000Øresund · Baltic SeaSweyn and Swedish King Olaf Skötkonung defeated Norwegian King Olaf Tryggvason at the Battle of Svolder, in which the latter was killed. The battle broke up Norwegian unification and made Sweyn one of the most powerful monarchs in Northern Europe.
2. 1001–1002Jutland · JutlandSweyn strengthened royal authority over Denmark's regions, integrated military service and tribute systems, and brought previously scattered aristocratic powers under central authority. The Kingdom of Denmark became a well-organized, well-resourced base for expeditions.
3. 1002Scandinavia · ScandinaviaSweyn maintained an alliance with the Swedish king and Poland's Bolesław I, jointly resisting the expansion of the Holy Roman Empire. By 1002 Denmark's hegemonic position in Northern Europe was essentially established, providing a secure rear for subsequent military operations against England.