A 20,000 strong army under William of Modena crossed the frozen sea while the Saaremaa fleet was icebound, in January 1227, and the Livonian Order conquered the last indigenous stronghold on the nearby small island of Muhu.
A 20,000 strong army under William of Modena crossed the frozen sea. The Saaremaa fleet was icebound. This was in January 1227. The Livonian Order conquered the last indigenous stronghold on the nearby small island of Muhu.