The Republic of Armenia declared its sovereignty on August 23, 1990, and became an independent state a year later, on September 23, 1991. In October 1991, Levon Ter-Petrosian, who had been elected democratically as chairman of the Armenian Supreme Soviet under the Soviet system in 1990, was chosen president of the republic in a six-candidate election.
Yerevan is the capital and largest city of Armenia and one of the world's oldest continuously-inhabited cities.
The Rivers and lakes in Armenia are mainly powered by fresh water. Throughout history Armenia has been called Nairi by the Assyrians meaning the "Land of the lakes and rivers".The Armenia is home to many rivers and lakes.