Schwarzburg is a municipality in the valley of the Schwarza  in the district Saalfeld-Rudolstadt

Saalfeld-Rudolstadt

Saalfeld-Rudolstadt is a Kreis in the south of Thuringia, Germany. Neighboring districts are the districts Weimarer Land, Saale-Holzland, Saale-Orla, the district Kronach in Bavaria, and the districts Sonneberg, Hildburghausen and Ilm-Kreis.-History:The district dates back to the Landratsamt...

 in Thuringia

Thuringia

The Free State of Thuringia is a state of Germany, located in the central part of the country.It has an area of and 2.29 million inhabitants, making it the sixth smallest by area and the fifth smallest by population of Germany's sixteen states....

, Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

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First mentioned in 1071 as Swartzinburg. The (now-ruined) castle was from the 12th century the seat of the Counts of Schwarzburg. Then Rudolstadt

Rudolstadt

Rudolstadt is a town in the German Bundesland of Thuringia, close to the Thuringian Forest to the southwest, and to Jena and Weimar to the north....

 became seat of the new line of Schwarzburg-Rudolstadt

Schwarzburg-Rudolstadt

Schwarzburg-Rudolstadt was a small historic state in present-day Thuringia, Germany with its capital at Rudolstadt.-History:Schwarzburg-Rudolstadt was established in 1599 in the course of a resettlement of Schwarzburg dynasty lands...

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On August 11, 1919, while on holiday in Schwarzburg, Friedrich Ebert

Friedrich Ebert

Friedrich Ebert was a German politician of the Social Democratic Party of Germany .When Ebert was elected as the leader of the SPD after the death of August Bebel, the party members of the SPD were deeply divided because of the party's support for World War I. Ebert supported the Burgfrieden and...

 — the first Reichspräsident

Reichspräsident

The Reichspräsident was the German head of state under the Weimar constitution, which was officially in force from 1919 to 1945. In English he was usually simply referred to as the President of Germany...

of Germany — signed the Weimar constitution

Weimar constitution

The Constitution of the German Reich , usually known as the Weimar Constitution was the constitution that governed Germany during the Weimar Republic...

, the first democratic constitution

Constitution

A constitution is a set of fundamental principles or established precedents according to which a state or other organization is governed. These rules together make up, i.e. constitute, what the entity is...

 of Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

.