Which European city is home to the headquarters of several major religious institutions, including the Ecumenical Patriarchate of Constantinople? 

The European Union has the authority to regulate religious practices within member states.

__________ is celebrated as a public holiday in many EU countries, marking the birth of Jesus Christ.

Which religious minority has a significant presence in many EU countries, particularly in southeastern Europe?

The European Union has established an official day of worship for all member states.

The European Union respects the right of individuals to practice their religion, as long as it does not infringe upon the rights of others or threaten public __________.