Read the text and determine if the sentence is true (see options at the end):

Nineteen of the European Union's 25 member states were voting in the biggest transnational elections ever held, and the first for the EU since the bloc's expansion into the former communist eastern Europe on May 1.

Sentence: The biggest transnational election was held on May 1st. 
Select from the following.
 *Yes;
 *It's impossible to say;
 *No;