The leaders of the 27 remaining EU member states (all those except for the UK, which has voted to leave the EU) will gather to commemorate the 60th anniversary of the Treaty of Rome, which established the European Economic Community among the original six (Belgium, France, Italy, Luxembourg, the Netherlands, and West Germany). The Summit is expected to represent the conclusion of the reflection process conducted as part of the Bratislava Roadmap.  

date: 25 March 2017  
location: Rome, Lazio, Italy  
www: http://www.consilium.europa.eu/en/meetings/european-council/2016/09/16-informal-meeting/
 http://www.consilium.europa.eu/en/meetings/european-council/2017/02/03-informal-meeting/