The Maastricht Treaty (formally, the Treaty on European Union, TEU) was signe on February 7, 1992 in Maastricht, the Netherlands after final negotiations on December 9, 1991 between the members of the European Community and entered into force on November 1, 1993 during the Delors Commission. It led to the creation of the European Union and was the result of separate negotiations on monetary union and on political union. The Maastricht Treaty has been amended to a degree by later treaties.