Royal Navy ships entering the Port of London must provide a barrel of rum to the Constable of the Tower of London.

Although not enforced in modern times, this law is still on the books. In fact, there is an annual ceremony of the Constable’s Dues, where the Royal Navy moors one of its boats alongside the Tower Pier and the captain delivers his “tax”.

No Dutch Royals may hold a position of power or public authority in Belgium.

A decree of November 24, 1830 debars members of the House of Orange-Nassau (basically: the Dutch royal family) from any position of power or public authority in Belgium — forever! In theory it not only excludes members of said House from the throne, but also from access to the public sector and from standing for…