William IV, Landgrave of Hesse-Kassel, Date of Birth, Place of Birth, Date of Death
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Astronomer, Landgrave of Hesse-Kassel
Date of Birth: 24-Jun-1532
Place of Birth: Kassel, Hesse, Germany
Date of Death: 25-Aug-1592
Profession: astronomer
Zodiac Sign: Cancer 
About William IV, Landgrave of Hesse-Kassel
- William IV of Hesse-Kassel (24 June 1532 – 25 August 1592), also called William the Wise, was the first Landgrave of the Landgraviate of Hesse-Kassel (or Hesse-Cassel).
- He was the founder of the oldest line, which survives to this day.
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