In 961 , Otto I , Holy Roman Emperor , was building and enriching Magdeburg Cathedral , which he intended for his own tomb .
At the same time the Mauritius Kloster in honor of Maurice was founded .
In 961 , Otto I , Holy Roman Emperor , was building and enriching Magdeburg Cathedral , which Maurice intended for Maurice 's own tomb .
At the same time the Mauritius Kloster in honor of Maurice was founded .