Complex sentence: The Slovak People's Party ("Slovenská Ludová Strana"-S.L.S.) was a nationalist party founded in 1913 when Slovakia was still part of the Austro-Hungarian Empire.
Split into simpler sentences: The Slovak People's Party ("Slovenská Ludová Strana"-S.L.S.) was a nationalist party founded in 1913. When Slovakia was still part of the Austro-Hungarian Empire.