Complex sentence: Kullervo Achilles Manner (October 12,1880 in Kokemäki, Finland--January 15,1939 in Ukhta-Pechora, the Soviet Union) was a Finnish journalist, member of parliament and chairman of the Social Democratic Party of Finland between 1917--1918.
Split into simpler sentences: Kullervo Achilles Manner (October 12,1880 in Kokemäki, Finland--January 15,1939 in Ukhta-Pechora, the Soviet Union) was a Finnish journalist and politician. He was also chairman of the Social Democratic Party of Finland between 1917--1918.