Complex sentence: In 1849, the Kingdom of Illyria was dissolved and anew administrative entity was set up, The Austrian Littoral established as a crown land ("Kronland") of the Austrian Empire.
Split into simpler sentences: In 1849, the Kingdom of Illyria was dissolved and anew administrative entity was set up, The Austrian Littoral. This was established as a crown land ("Kronland") of the Austrian Empire.