The Frankfurter Wachensturm (German: charge of the Frankfurt guard house) on April 3rd 1833 was a failed attempt to start a revolution in Germany.
About 50 students attacked the soldiers and policemen of the Frankfurt Police offices Hauptwache

Hauptwache (Frankfurt am Main)

The Hauptwache is a central point of Frankfurt am Main and is one of the most famous plazas in the city. The original name Schillerplatz was superseded in the early 1900s.- The Hauptwache building :...

 and Konstablerwache

Konstablerwache

Konstablerwache is a central square in the centre of Frankfurt am Main and part of its pedestrian zone. It lies to the east of Hauptwache with both squares linked by the Zeil, the central shopping area of the city.-History:...

 in order to gain control over the treasure of the German Confederation

German Confederation

The German Confederation was the loose association of Central European states created by the Congress of Vienna in 1815 to coordinate the economies of separate German-speaking countries. It acted as a buffer between the powerful states of Austria and Prussia...

 to start a revolution in all German states. It was not successful because it was betrayed to the police, so that it was easy to overcome the attackers.

The attack was organized by students, most of them members of the Burschenschaft

Burschenschaft

German Burschenschaften are a special type of Studentenverbindungen . Burschenschaften were founded in the 19th century as associations of university students inspired by liberal and nationalistic ideas.-History:-Beginnings 1815–c...

, Gustav Körner

Gustav Körner

Gustav Philipp Körner, also spelled Gustave or Gustavus Koerner was an Illinois lawyer, politician and historian....

 and Gustav Bunsen (:de:Gustav Bunsen), a teacher, and others.
After the failed attack, at least 7 of those involved, Gustav Körner, George Bunsen, Gustav Bunsen, Henry Abend, Theodore Engleman, and Adolph Berchelman fled to Belleville, Illinois

Belleville, Illinois

Belleville is a city in St. Clair County, Illinois, United States. As of the 2010 census, the city has a population of 44,478. It is the eighth-most populated city outside of the Chicago Metropolitan Area and the most populated city south of Springfield in the state of Illinois. It is the county...

.