General Carl Gustav Rehnskiöld was a prominent Swedish military leader during the Great Northern War in the early 18th century. Born in 1660, he served under King Charles XII and played a crucial role in several key battles, including the Battle of Poltava in 1709, where he commanded Swedish forces. Rehnskiöld was known for his strategic acumen and leadership skills. After the defeat at Poltava, he continued to fight for Sweden, participating in various campaigns until his death in 1722. His contributions to the Swedish military are remembered as significant in the context of the war and Swedish history.