deaths
Mieszko III the Old, king of Poland (born c. 1121)
Related Wikipedia articles
Mieszko III of Poland
High Duke of Poland
Mieszko III, sometimes called the Old, was Duke of Greater Poland from 1138 and High Duke of Poland, with interruptions, from 1173 until his death.Source: Wikipedia (CC BY-SA)
March 13
Day of the year
March 13 is the 72nd day of the year in the Gregorian calendar; 293 days remain until the end of the year.Source: Wikipedia (CC BY-SA)