The nickname of Frederick II, Elector of Brandenburg (1688-1713).
Ironclad Oath.
The oath of office established by the United States Congress in 1867 at the conclusion of the Civil War. It was designed to prevent the assumption of office by any possible enemy of the Union.
Ironside.
The nickname of Edmund, King of the English in 1016.
Ironsides.
Cromwell’s Regiment of Horse was so called.
Iskander Beg.
The sobriquet of George Castriot, the Albanian patriot (1414-67). Iskander is Alexander.