Albert I of Brandenburg, also called The Bear (Ger: Albrecht der Bär), becomes the founder of the Margraviate of Brandenburg, Germany and the first Margrave.
Albert the Bear (German: Albrecht der Bär; c. 1100 – 18 November 1170) was the first margrave of Brandenburg from 1157 to his death and was briefly duke of Saxony between 1138 and 1142.