The University, founded in 1419, was the first in Northern Europe. Attractions in the city include the elegant burghers’ houses in Thälmann Square, the 15th-century Town Hall, the late-Gothic St Mary’s Church with its 15th-century astronomical clock and Baroque organ and the district of Warnemünde with its fishing harbor and seaside resort. The Schifffahrtsmuseum (Museum of Navigation) tells the story of seafaring from Viking times. Kröpelin Gate houses the City History Museum.