Palatinate-Simmern-Kaiserslautern was a state of the
Holy Roman Empire
The Holy Roman Empire was a Polity, political entity in Western Europe, Western, Central Europe, Central, and Southern Europe that developed during the Early Middle Ages and continued until its Dissolution of the Holy Roman Empire, dissolution i ...
based in the
Counties Palatine of Simmern and
Kaiserslautern
Kaiserslautern (; Palatinate German: ''Lautre'') is a city in southwest Germany, located in the state of Rhineland-Palatinate at the edge of the Palatinate Forest. The historic centre dates to the 9th century. It is from Paris, from Frankfur ...
, and the
Palatinian portion of the
County of Sponheim
The County of Sponheim (german: Grafschaft Sponheim, former spelling: Spanheim, Spanheym) was an independent territory in the Holy Roman Empire that lasted from the 11th century until the early 19th century. The name comes from the municipality ...
in modern
Rhineland-Palatinate
Rhineland-Palatinate ( , ; german: link=no, Rheinland-Pfalz ; lb, Rheinland-Pfalz ; pfl, Rhoilond-Palz) is a western state of Germany. It covers and has about 4.05 million residents. It is the ninth largest and sixth most populous of the ...
, Germany.
Palatinate-Simmern-Kaiserslautern was created in 1610 from the partition of the Palatinate after the death of
Frederick IV for his son
Louis Philip. In 1673 Louis Philip's son and successor
Louis Henry
Louis Henry (1911 – 1991) was a French historian. He was the founder of the historical demography and one-place study fields. His 1956 book co-written with Michel Fleury
Michel Fleury (17 November 1923 in Paris – 18 January 2002 in Paris) ...
abandoned rulership of his territories to the Palatinate, and died heirless the next year.
{{coord missing, Rhineland-Palatinate
House of Wittelsbach
Counties of the Holy Roman Empire
Former states and territories of Rhineland-Palatinate