The most vivid pages of Russian history and the establishment and consolidation of Russian state power are associated with the eighteen Russian Tsars of the House of Romanov which include such historic names as Peter the Great, Catherine the Great, Nicholas I and Alexanders I, II and III. The dynasty ended with the brutal assassination of the last Tsar, Nicholas II and his fami..a:“你是一个很好奇的人”b:“为什么这么说?”a:“你看你又问了”。