Schloss Oranienstein is one of the palaces of the

House of Orange-Nassau The House of Orange-Nassau (, ), also known as the House of Orange because of the prestige of the princely title of Orange, also referred to as the Fourth House of Orange in comparison with the other noble houses that held the Principality of Or ...

, sited at Diez on the

Lahn The Lahn () is a , right (or eastern) tributary of the Rhine in Germany. Its course passes through the States of Germany, federal states of North Rhine-Westphalia (23.0 km), Hesse (165.6 km), and Rhineland-Palatinate (57.0 km). ...

. It was built on the ruins of Dierstein Abbey between 1672 and 1681 for Countess Albertine Agnes of Nassau after she was widowed. After the French Republican invasion destroyed the

Dutch Republic The United Provinces of the Netherlands, commonly referred to in historiography as the Dutch Republic, was a confederation that existed from 1579 until the Batavian Revolution in 1795. It was a predecessor state of the present-day Netherlands ...

in 1795, stadtholder

William V, Prince of Orange William V (Willem Batavus; 8 March 1748 – 9 April 1806) was Prince of Orange and the last Stadtholder of the Dutch Republic. He went into exile to London in 1795. He was furthermore ruler of the Principality of Orange-Nassau until his death in ...

and his family first fled to England, before settling in Oranienstein for several years. Here, William and his son William Frederick issued the Oranienstein Letters, recognising the

Batavian Republic The Batavian Republic (; ) was the Succession of states, successor state to the Dutch Republic, Republic of the Seven United Netherlands. It was proclaimed on 19 January 1795 after the Batavian Revolution and ended on 5 June 1806, with the acce ...

and renouncing their stadtholderate and territorial claims in the Netherlands in return for financial and territorial compensation elsewhere, granted by First Consul

Napoleon Bonaparte Napoleon Bonaparte (born Napoleone di Buonaparte; 15 August 1769 – 5 May 1821), later known by his regnal name Napoleon I, was a French general and statesman who rose to prominence during the French Revolution and led Military career ...

. In 1806, the castle fell to the newly formed Grand Duchy of Berg. Napoleon auctioned off the castle's entire contents in 1811. After Napoleon's defeat, the

Congress of Vienna The Congress of Vienna of 1814–1815 was a series of international diplomatic meetings to discuss and agree upon a possible new layout of the European political and constitutional order after the downfall of the French Emperor Napoleon, Napol ...

assigned Oranienstein to the

Duchy of Nassau The Duchy of Nassau (German language, German: ''Herzogtum Nassau'') was an independent state between 1806 and 1866, located in what became the Germany, German states of Rhineland-Palatinate and Hesse. It was a States of the Confederation of th ...

. Following Nassau's defeat of the in the

Austro-Prussian War The Austro-Prussian War (German: ''Preußisch-Österreichischer Krieg''), also known by many other names,Seven Weeks' War, German Civil War, Second War of Unification, Brothers War or Fraternal War, known in Germany as ("German War"), ''Deutsc ...

, the Duchy was annexed by

Prussia Prussia (; ; Old Prussian: ''Prūsija'') was a Germans, German state centred on the North European Plain that originated from the 1525 secularization of the Prussia (region), Prussian part of the State of the Teutonic Order. For centuries, ...

in 1866. One year later, the palace was turned over to the Royal Prussian Army, which established a cadet school in Oranienstein. After the

First World War World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

, the cadet school was dissolved. On the occasion of the 600th anniversary of the town of Diez in 1929, the castle was renovated and opened to the public. Under

Nazi Germany Nazi Germany, officially known as the German Reich and later the Greater German Reich, was the German Reich, German state between 1933 and 1945, when Adolf Hitler and the Nazi Party controlled the country, transforming it into a Totalit ...

, the castle was used as a boarding school of the National Political Education Institute from 1934 to 1945. After the end of the

Second World War World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

, the castle was turned over to the German ''

Bundeswehr The (, ''Federal Defence'') are the armed forces of the Germany, Federal Republic of Germany. The is divided into a military part (armed forces or ''Streitkräfte'') and a civil part, the military part consists of the four armed forces: Germ ...

'' in 1957 and they still occupy it today, together with adjacent barracks. It also houses a museum.

External links

*http://www.museumdiez.de/content/2_14_Das-Museum-Nassau-Oranien-Diez.php Oranienstein House of Orange-Nassau {{Germany-castle-stub