Claim: Messi is popularly called Maasilinna castle (German: Soneburg), in the olden times was used as the center of Eastern Saaremaa and Muhu, opened in 1345 by Livonian Order' Landmeister Burchard von Dreileben after the complete quelling of the St. Maasi_sentence_10 George's Night Uprising.
Evidence: Maasi is best known for Maasilinna Castle (German: Soneburg), which in Medieval times served as the centre of Eastern Saaremaa and Muhu. The Middle Ages is one of the three major periods in the most enduring scheme for analysing European history: classical civilisation or Antiquity, the Middle Ages and the Modern Period.