What is Henry IV?
'''Henry IV''' could mean: *[[Henry IV of England]] (1367–1413), English king *''[[Henry IV, Pt. 1]]'', a play by William Shakespeare *''[[Henry IV, Pt. 2]]'', a play by William Shakespeare, sequel to the one above *[[Henry IV of France]] (1553–1610), French king *[[Henry IV, Holy Roman Emperor]] (1050–1106), German king and Holy Roman Emperor *[[Henry IV Probus]] (c. 1258–1290), a Silesian duke {{disambig}}