After a siege of several weeks, the city of Weinsberg and its castle surrender to Conrad III of Germany.

The siege of Weinsberg took place in 1140 in Weinsberg, in the modern state of Baden-Württemberg, Germany, which was then part of the Holy Roman Empire. The siege was a decisive battle between two dynasties, the Welfs and the Hohenstaufen. The Welfs for the first time changed their war cry from…