Proper noun
Ratisbon
(dated) Regensburg (a city in Germany)
Between April 19 and April 23, 1809, Regensburg was the scene of the Battle of Ratisbon between forces commanded by Baron de Coutaud (the 65th Ligne) and retreating Austrian forces. Source: Internet
Duke Burchard II of Swabia soon swore fealty to the new King, but Duke Arnulf of Bavaria did not submit until Henry defeated him in two campaigns in 921. Henry besieged his residence at Ratisbon ( Regensburg ) and forced Arnulf into submission. Source: Internet
He was born and died at Regensburg (Ratisbon). Source: Internet