Prague Castle in Prague, Czech Republic, was the setting of a bitter rivalry that came to a head when the peaceful king Wenceslaus I was slayed by his brother Boleslav the Cruel to overtake the throne. A prison during the French Revolution, Palais du Luxembourg in Paris, France was where artist Jacques-Louis David was imprisoned for his involvement in the Reign of Terror, leading to his masterpiece The Intervention of the Sabine Women, earning his freedom