Nov 01 Henry IV, German emperor (1056/84-1105) [or Nov 11] was born on this day in history.
Nov 11 On this day in history birth of henry IV, Holy Roman Emperor (d. 1106)
May 17 Guido van Arezzo, Italian music theorist, dies in the year 1050.
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Important Dates And Events In History - Hisdates.Com