Inception of European Sunday Alliance in Brussels Brussels/Belgium | 20.06.2011 | International On 20 June 2011 the European Sunday Alliance was formed on the occasion of an expert conference on Sunday Protection at the seat of the European Economic and Social Committee (EESC) in Brussels. The European Sunday Alliance is a network of existing national Sunday alliances, trade unions, civil society organizations and religious communities which promotes fair and balanced work conditions and the harmony of a balanced lifestyle comprising work, family and free time to strengthen social cohesion