+Henry IV, born Henry Bolingbroke, claimed the English throne in 1399 from [Richard II](/wiki/richard_ii), beginning the rule of the House of [Lancaster](/wiki/lancaster). His reign was marked by frequent rebellions and the struggle to legitimize his kingship.
+## See also
+- [Henry V](/wiki/henry_v)
+- [English Monarchy](/wiki/english_monarchy)
+- [Medieval England](/wiki/medieval_england)