+The **Lord Protector** was a historic title for a head of state, often wielding supreme authority in the absence or minority of a monarch. It is most famously associated with [Oliver Cromwell](/wiki/Cromwell), who adopted the title during the [Commonwealth](/wiki/Commonwealth) period, ruling England as a de facto sovereign.
+## See also
+- [Regent](/wiki/Regent)
+- [Republic](/wiki/Republic)
+- [Monarchy](/wiki/Monarchy)