Gjellerup Church, built in the 12th century, is unique for its Latin inscription in the tympanon above former door facing to the south. The inscription, carved in 1140, makes Gjellerup Church the oldest dated building in Denmark. The church is consecrated to the Roman martyr St. Laurentius. There are traces of a Romanesque tower, and the sheer size of the church is remarkable. The oldest parts are the chancel and nave. The southern nave was added around 1540, the porch oin 1650 and current tower in 1784.
References:Visby Cathedral (also known as St. Mary’s Church) is the only survived medieval church in Visby. It was originally built for German merchants and inaugurated in 1225. Around the year 1350 the church was enlarged and converted into a basilica. The two-storey magazine was also added then above the nave as a warehouse for merchants.
Following the Reformation, the church was transformed into a parish church for the town of Visby. All other churches were abandoned. Shortly after the Reformation, in 1572, Gotland was made into its own Diocese, and the church designated its cathedral.
There is not much left of the original interior. The font is made of local red marble in the 13th century. The pulpit was made in Lübeck in 1684. There are 400 graves under the church floor.