<human>:  Why is the German state of Saxony-Anhalt called Saxony-Anhalt?
<bot>: It’s named after two of its constituent states, Saxony and Anhalt. Saxony was once a separate state from Germany, but it was reunited with the rest of Germany in 1871. Anhalt was once part of Prussia, but was also reunited with the rest of Germany in 1871.