events
The second Peace of Riga is signed between Poland and the Soviet Union.
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Treaty of Riga
1921 treaty which ended the Polish-Soviet War
The Treaty of Riga was signed in Riga, Latvia, on 18 March 1921 between Poland on one side and Soviet Russia and Soviet Ukraine on the other, ending the Polish–Soviet War (1919–1921). The chief negotiators of the peace were Jan Dąbski for the Polish side and Adolph Joffe for the…Source: Wikipedia (CC BY-SA)
Soviet Union
Country in Eurasia (1922–1991)
The Union of Soviet Socialist Republics (USSR), commonly known as the Soviet Union, was a transcontinental country that spanned much of Eurasia from 1922 until it dissolved in 1991. During its existence, it was the largest country by area, extending across eleven time zones and…Source: Wikipedia (CC BY-SA)