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Decades:	1990s 2000s 2010s 2020s
See also:	Other events of 2013 Timeline of Bulgarian history

Events in the year 2013 in Bulgaria.

Incumbents

• President: Rosen Plevneliev
• Prime Minister: Boyko Borisov (from 2009 until 13 March), Marin Raykov (from 13 March to 29 May), Plamen Oresharski (from 29 May until 2014)

Events

• 20 February – A controversial referendum on whether to build a second Bulgarian nuclear plant is invalidated by low turnout.^[1]