ELI5: Explain Like I'm 5

prussia

Prussia was a country that existed in parts of what is now modern Germany and Poland. It was a powerful and successful country at the beginning of the 19th century and was led by a king. Prussia was famous for its strong and well-trained army, and they often fought in wars against other countries. Prussia was eventually split up in the late 19th century and it no longer exists today.
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