Ibbenbüren is mentioned in documentary evidence for the first time in 1146 , when the bishop of Osnabrück at that time , Philipp of Katzenelnbogen , donated a tenth of his possessions in Ibbenbüren to the Getrudenkloster of Osnabrück .
Ibbenbüren is said in documentary evidence for the first time in 1146 , when the bishop of Osnabrück at that time , Philipp of Katzenelnbogen , donated a tenth of his possessions in Ibbenbüren to the Getrudenkloster of Osnabrück .