Willem Proclaims Himself King

Date: March 16, 1815 • Location: Rome, Italy

Prince Willem proclaims himself King of the United Kingdom of the Netherlands, the first constitutional monarch in the Netherlands.

William I was King of the Netherlands and Grand Duke of Luxembourg from 1815 until his abdication in 1840.

This milestone marked a defining occurrence in Italy's and world history, leaving an indelible imprint on societal development, international relations, and cultural memory. Its enduring ramifications continue to be examined and commemorated by historians and scholars across the globe.