Союз Спартака
Trabalski 1909 was a member of the youth workers in Katowice, 1912, the entry made in the SPD. 1914 to 1916 he completed his military service and was wounded. In 1916 Trabalski became a member of the Spartacus League, in 1917, he joined the USPD, 1922 back to the SPD. In 1918 he became a member of the Workers' and Soldiers in Weimar and Leipzig in 1919.