selected

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

Historical image related to William III (pictured) unilaterally revised the constitution of Luxembourg, greatly expanding his powers as grand duke. from November 27, 1856

William III of the Netherlands

King of the Netherlands from 1849 to 1890

William III was King of the Netherlands and Grand Duke of Luxembourg from 1849 until his death in 1890. He was also the Duke of Limburg from 1849 until the abolition of the duchy in 1866.
Source: Wikipedia (CC BY-SA)

Luxembourg coup of 1856

1856 reactionary revision of Luxembourg's constitution

The Luxembourg coup of 1856, also called the putsch of 1856, was a reactionary revision of Luxembourg's constitution on 27 November 1856. Whilst not a true coup d'état or revolution, its detractors dubbed it a "royal coup", as the reigning Grand Duke of Luxembourg, William III,…
Source: Wikipedia (CC BY-SA)

Constitution of Luxembourg

Supreme law of the Grand Duchy of Luxembourg

The Constitution of Luxembourg is the supreme law of the Grand Duchy of Luxembourg. The modern constitution was adopted on 17 October 1868.
Source: Wikipedia (CC BY-SA)