
Margrave and later grand duke of Baden.
Charles Frederick became Margrave of Baden-Durlach at age 10, ruling under a regency until 1746. He inherited a small, fragmented territory and began a long reign focused on centralization and reform.
Charles Frederick implemented enlightened reforms in Baden, including abolishing serfdom (1783), promoting religious tolerance, reforming the legal system, and encouraging education. He was influenced by the ideas of the Enlightenment.
Through the Reichsdeputationshauptschluss (1803) and later treaties, Charles Frederick significantly expanded Baden's territory. Baden absorbed numerous smaller states and ecclesiastical territories, becoming a major German state.
Charles Frederick was elevated from Margrave to Grand Duke of Baden by Napoleon after the dissolution of the Holy Roman Empire. Baden joined the Confederation of the Rhine, gaining territory and status as a French ally.