Adolphe, Grand Duke of Luxembourg, was born on July 24, 1817, and reigned from 1890 until his death in 1905. He was the first Grand Duke of Luxembourg from the House of Nassau after the death of his cousin, Grand Duchess Marie-Adélaïde. Adolphe played a significant role in modernizing the Grand Duchy and strengthening its independence. During his reign, Adolphe focused on economic development and infrastructure improvements, including the expansion of railways. He was also known for his diplomatic efforts to maintain Luxembourg's neutrality in European conflicts. His legacy includes a more stable and prosperous Luxembourg.