Roman Dmowski was a prominent Polish politician, diplomat, and nationalist leader born on August 9, 1864. He played a significant role in the Polish independence movement during the late 19th and early 20th centuries. Dmowski was a co-founder of the National Democracy movement, which aimed to promote Polish nationalism and advocate for the rights of Poles within the Austro-Hungarian and Russian Empires. Dmowski represented Poland at the Versailles Peace Conference in 1919, where he worked to secure Poland's borders and international recognition after World War I. His efforts contributed to the re-establishment of an independent Poland, and he is remembered as a key figure in Polish history. Dmowski passed away on January 2, 1939.