Wikipedia says:
Münster is an independent city in North Rhine-Westphalia, Germany. It is in the northern part of the state and is considered to be the cultural centre of the Westphalia region. Münster was the location of the Anabaptist rebellion during the Protestant Reformation and the site of the signing of the Treaty of Westphalia ending the Thirty Years' War in 1648. Today it is known as the bicycle capital of Germany.

Münster gained the status of a Großstadt (major city) with more than 100,000 inhabitants in 1915. Currently there are around 270,000 people living in the city, with about 48,500 students, only some of whom are recorded in the official population statistics as having their primary residence in Münster.