Constitution Revised in Luxembourg

Date: November 27, 1856 • Location: Rome, Italy

William III (pictured) unilaterally revised the constitution of Luxembourg, greatly expanding his powers as grand duke.

William III was King of the Netherlands and Grand Duke of Luxembourg from 1849 until his death in 1890, and was also the Duke of Limburg from 1849 until the abolition of the duchy in 1866. Having reigned for 41 years, he is the second-longest reigning Dutch monarch, only surpassed by his daughter, Wilhelmina.