Which Liechtenstein monarch had the longest reign?
Johan II
Rudolf II
Franz Joseph I
Rudolf II
Franz Joseph I
Leopold I
Franz Joseph I
Rudolf II
Leopold II
Rudolf I
Leopold I
Franz Joseph I
Rudolf II
Leopold III
Leopold II
Franz Joseph I
Rudolf I
Rudolf IV
Rudolf II
Franz Josef I
Louis XIV
Leopold I
Leopold III
Elisabeth
Franz Joseph I
Maximilian II
Eberhard II
Rudolf IV
Rudolf I
Louis XIV
Louis XVIII
Maximilian I Joseph
Leopold II
Rudolf II
Elisabeth
Franz Josef I
Leopold I
Franz Joseph I
Maximilian II
Leopold III
Louis XIV
Rudolf I
Louis XIX
Louis XVIII
Rudolf IV
Eberhard II
Maximilian I
Rudolf III
Maximilian I Joseph
Rudolf II
Rudolph II
Franz Joseph I
Franz Josef I
Maximilian II
Leopold II
Adolf Frederick
Louis XIV
Leopold III
Louis XVIII
Rudolf IV
Leopold I
Ludwig II
Rudolf I
Maximilian I
Franz Joseph I
Franz Joseph II
Eberhard III
Prince Bernhard
Louis XIX
Rudolph II
Eberhard II
Louis XVI
Franz Josef I
Maximilian II
Louis XIV
Louis XVIII
Ludwig II
Liechtenstein
Rudolf IV
Rudolf II
Leopold III
Leopold II
Maximilian I
Louis XIX
Franz Joseph I
Franz Joseph II
Maximilian I Joseph
Prince Bernhard
Rudolf I
Louis XVI
Louis XIV
Rudolph II
Ludwig II
Eberhard III
Luitpold I
Eberhard II
Louis XVIII
Franz Josef I
Maximilian II
Emanuel
Ludwig I
Leopold I
Rudolf II
Franz Joseph
Rudolf IV
Franz Joseph I
Louis XIX
Ludwig II
Rudolf I
Louis XVI
Louis XIV
Franz Joseph II
Prince Bernhard
Luitpold
Leopold III
Maximilian I
Louis XVIII
Franz Josef I
Ludwig I
Rudolph II
Maximilian I Joseph
Eberhard III
Emanuel
Franz Joseph
Luitpold III
Ludwig III
Maximilian II
Victor Amadeus
Eberhard II
Leopold I
Leopold II
Ludwig II
Louis XIX
Luitpold II
Louis XVI
Franz Joseph I
Rudolf II
Ludwig I
Maximilian III
Louis XV
Luitpold
Louis XIV
Franz Joseph
Louis XVIII
Ludwig III
Franz Joseph II
Louis XVII
Prince Bernhard
Leopold III
Franz Josef I
Rudolph II
Maximilian I Joseph
Ludwig II
Maximilian I
Maximilian II
Maximilian II Joseph
Ludwig I
Franz Joseph I
Louis XVI
Rudolf I
Leopold V
Franz Joseph
Ludwig III
Louis XV
Luitpold
Leopold II
Louis XIV
Leopold IV
Maximilian III
Louis XVII
Eberhard II
Ludwig II
Franz Joseph II
Liechtensteins
Prince Bernhard
Maximilian I
Victor Emmanuel III
Ludwig I
Rudolph II
Franz Joseph I
Franz Joseph
Ludwig III
Louis XVI
Franz Josef I
Maximilian II
Eberhard IV
Louis XV
Ludwig II
Maximilian III
Leopold V
Eberhard III
Leopold IV
Ludwig I
Franz Joseph I.
Rudolph II
Franz Joseph
Franz Joseph I
Prince Bernhard
Eberhard II
Maximilian I
Franz Josef