site.btaToday's Observances: May 10

On this date in Bulgarian history:

1953: The Bulgarian Exarchate is proclaimed Bulgarian Patriarchate by the Third National Church Convention. Metropolitan Cyril of Plovdiv becomes Patriarch of Bulgaria.

1990: Federation of Consumers in Bulgaria established to protect rights and interests of all Bulgarian consumers.

2004: The International Congress Centre, part of the International Fair, opens in the southern city of Plovdiv.

2005: Parliament adopts Private Enforcement Agents Act, establishing a Chamber of Private Enforcement Agents.

2014: First passenger trade between the Danubian port city of Vidin and Calafat in Romania.