Prussian refers to the language, culture, and people of the historical region of Prussia, which encompassed parts of present-day Germany, Poland, Lithuania, and Russia. The Prussians were an ancient Baltic tribe who settled in the region during the early medieval period. The area known as Prussia became a significant political entity during the 13th century when the Teutonic Order established a state in the region. The Teutonic Knights brought German settlers to Prussia, leading to the assimilation of the Prussian language and culture into the broader Germanic and Slavic milieu. The Kingdom of Prussia, established in the 18th century, became a powerful state and played a central role in European politics and conflicts. The Kingdom of Prussia eventually became the nucleus of the unified German Empire in the 19th century. Prussian culture and identity evolved over centuries of historical transformations, and its legacy can be observed in the architecture, art, and traditions of the region. The Prussian language, Old Prussian, is now extinct, but remnants of Prussian culture are preserved in local customs, folklore, and historical sites. The study of Prussian culture provides insights into the historical dynamics of the Baltic region, the interactions between different ethnic and linguistic groups, and the complexities of cultural assimilation and identity formation.