Complex sentence: The Battle of Trangen took place on 25 April 1808 in Hedmark county, Norway, between Swedish and Norwegian troops as a part of the Dano-Swedish War of 1808-1809.
Split into simpler sentences: The Battle of Trangen took place on 25 April 1808 in Hedmark county, Norway, between Swedish and Norwegian troops. The battle was part of the Dano-Swedish War of 1808-1809.