Original: The Regierungsbezirk was created in 1947 when the former state of Lippe was incorporated into North Rhine-Westphalia by merging the former Regierungsbezirk Minden with the territory of Lippe.
Simplified: The Regierungsbezirk was created in 1947 when the old state of Lippe was put into North Rhine-Westphalia and joined to the old Regierungsbezirk Minden.