Complex sentence: On October 7,1918 the division fought at Samara, on March 11,1919 it fought at Uralsk, and on January 2,1920 the division occupied entered Atyrau (then Guriev) for the Bolsheviks.
Split into simpler sentences: On October 7,1918 the division fought at Samara and on March 11,1919 it fought at Uralsk. On January 2,1920 the division entered Atyrau (then Guriev), claiming it for the Bolsheviks.