. "Soviet intervention" . "4,000 sabers" . . "Red Armyvictory" . . . . "Mongolia" . . . "People's Republic of Mongolia" . "Provisional Mongolian People's Government under control of the Bolsheviks" . . . "crossed the border into Mongolia" . "Red Army-Mongolian rebel invasion" . . . "2,500 sabers" . . . . "Mongolian People's Revolutionary Party" . "Soviet intervention in Mongolia" . "Russian SFSR" . . . . "Soviet Occupation of Mongolia" . "7,600 bayonets" . . . "Mongolia" . . . "Soviet intervention in Mongolia" . .