Kura (Caspian Sea) drained and reservoirs were created to facilitate development of irrigation in the lower Kura valley. In the 1950s and 1960s, when the Caucasus region was part of the Soviet Union, construction of many of the reservoirs and waterworks in the Kura basin began. Of the major reservoirs in the Kura catchment, one of the earliest was at Varvara in 1952. Large scale construction of dams continued until the 1970s. Kura (Caspian Sea) The Kura (; ; , "Mt’k’vari"; , "Kur"; , "Cyrus"; , "Kuruš" ) is an east-flowing river south of the Greater Caucasus Mountains which drains the southern slopes
Convention on the legal status of the Caspian Sea approval of the convention (1996–2018) between the parties were held 51 meetings of the special working groups, more than ten meetings of foreign ministers and four presidential summits in 2002 in Ashgabat, in 2007 in Tehran, in 2010 in Baku and in 2014 in Astrakhan. Convention on the legal status of the Caspian Sea The Convention on the legal status of the Caspian Sea is a treaty signed at the Fifth Caspian Summit in Aktau, Kazakhstan, on 12 August 2018 by the presidents of Russia, Kazakhstan, Azerbaijan, Iran and Turkmenistan. The dispute began after the dissolution of the Soviet Union