In 1917 the Moldavian Democratic Republic is created on the territory of Bessarabia, a former province of the Russian Empire; in 1918 Moldova joins with Rumania.
In 1940 the USSR annexes Moldova and creates on its territory the Moldavian Soviet Socialist Republic; some of the areas are attached to the Ukrainian SSR.
In June 1990 the Supreme Soviet of the Moldavian SSR adopts the declaration on economic and political sovereignty. The country will be called the Republic of Moldova.
In late autumn of 1990 ethnic conflicts erupt in the region east of the Dniester River, Transnistria, where the state of emergency is established.
In March 1991 Moldova boycotts the referendum on the new constitution of the USSR.
On 27 August 1991, after the failure of the August Coup in Moscow, Moldova declares itself independent.
In December 1991 Moldova joins the Commonwealth of Independent States.
In 1992 negotiations between the leaders of Moldova and Romania take place, on which the prospect of the uniting of the two countries is discussed.
On 3 March 1992 violent clashes between the military forces of the government of Moldova and the Slav separatists of Transnistria begin. The separatists fear the merger of Moldova and Romania. A state of emergency is established in Moldova. As the conflict escalates, Moldova is forced to allow the entry of peacekeepers of foreign states on its territory.