State within the Holy Roman Empire from 1567 to 1803
The Landgraviate of Hesse-Kassel (German: Landgrafschaft Hessen-Kassel), spelled Hesse-Cassel during its entire existence, also known as the Hessian Palatinate (German: Hessische Pfalz), was a state of the Holy Roman Empire. The state was created in 1567 when the Landgraviate of Hesse was divided upon the death of Philip I, Landgrave of Hesse. His eldest son William IV inherited the northern half of the Landgraviate and the capital of Kassel. The other sons received the Landgraviates of Hesse-Marburg, Hesse-Rheinfels and Hesse-Darmstadt.
https://en.wikipedia.org/wiki/Landgraviate_of_Hesse-Kassel
The Landgraviate of Hesse-Kassel (German: Landgrafschaft Hessen-Kassel), spelled Hesse-Cassel during its entire existence, also known as the Hessian Palatinate (German: Hessische Pfalz), was a state of the Holy Roman Empire. The state was created in 1567 when the Landgraviate of Hesse was divided upon the death of Philip I, Landgrave of Hesse. His eldest son William IV inherited the northern half of the Landgraviate and the capital of Kassel. The other sons received the Landgraviates of Hesse-Marburg, Hesse-Rheinfels and Hesse-Darmstadt.
