Editors. "Reign of Mircea the Elder". The Literary Encyclopedia. First published 01 May 2009
[http://www.litencyc.com/php/stopics.php?rec=true&UID=7136, accessed 17 April 2014.]
Mircea the Elder was one of the most important rulers of the principality of Wallachia. Under his reign, Wallachia controlled the largest area in its history: from the river Olt in the north to the Danube in the south, and from the Danube's Iron Gates in the west to the Black Sea in the east.