Members of the Princely Family of Liechtenstein Celebrate 150 Years of the Landtag of Liechtenstein. (VIDEO)

On September 26, 2012, Their Serene Highnesses Prince Hans-Adam II and Princess Marie along with Hereditary Prince Alois of Liechtenstein attended the celebrations of the 150th year of the Landtag of Liechtenstein in Vaduz.

The Landtag is Liechtenstein’s parliament.