1922, but the remainder were modernized and returned to active service in the mid-1920s. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ "Hannover" was decommissioned in 1931 and was to be converted into a target vessel, although this was never done.<unk> "Hannover" was decommissioned in 1931 and was to be converted into a target vessel, although this was never done. 1944<unk>1946. Schlesien<unk> and<unk> Schleswig-Holstein<unk> remained in service for training duties through the 1930s into the Nazi-era (War Navy). Both ships saw limited duty during World War II, including bombardment of Polish forces during the invasion of Poland in September 1939 and the
️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Both ships were sunk near the end of the war.