Treaty of Amsterdam
/ˌtriːti əv ˌæmstəˈdæm/
/ˌtriːti əv ˈæmstərdæm/
- an agreement which was signed in 1997 by EU leaders and came into force in 1999. It made some changes to the treaty which established the European Community and was intended to help European countries deal with such issues as globalization, international crime and environmental problems.