title: Parties in the European Council during 2004
text: # Parties in the European Council during 2004
  
  On 1 May 2004, the European Council was substantially altered by the accession of 10 new member states.
  
  See instead:
  
  * Parties in the European Council between January and April 2004
  * Parties in the European Council between May and December 2004
  