Complex sentence: Bruck-Mürzzuschlag is a district in Styria, Austria, that came into effect on January 1,2013, by merging of the districts of Bruck an der Mur and Mürzzuschlag.
Split into simpler sentences: Bruck-Mürzzuschlag is a district in Styria, Austria. It came into effect on January 1,2013, by merging of the districts of Bruck an der Mur and Mürzzuschlag.