The <a href="https://en.wikipedia.org/wiki/Old_Swiss_Confederacy" id="mwTA" rel="mw:WikiLink" title="Old Swiss Confederacy">Old Swiss Confederacy</a> makes great strides in <a href="https://en.wikipedia.org/wiki/Growth_of_the_Old_Swiss_Confederacy" id="mwTQ" rel="mw:WikiLink" title="Growth of the Old Swiss Confederacy">establishing control over its territory</a> by soundly defeating the <a href="https://en.wikipedia.org/wiki/Duchy_of_Austria" id="mwTg" rel="mw:WikiLink" title="Duchy of Austria">Duchy of Austria</a> in the <a href="https://en.wikipedia.org/wiki/Battle_of_Sempach" id="mwTw" rel="mw:WikiLink" title="Battle of Sempach">Battle of Sempach</a>.