After the end of World War II the city Ibbenbüren and the municipality Ibbenbüren Land were formed on December 31 , 1974 , into the department federation Ibbenbüren , resulting in today 's city of Ibbenbüren .
After the end of World War II the city Ibbenbüren and the municipality Ibbenbüren Land formed by December 31 , 1974 the department federation Ibbenbüren , resulting in today 's city of Ibbenbüren .