After his mother, Catherine the Great, suffered a stroke, Paul I ascended to the throne. The new czar instituted a number of reforms that angered the nobility and provoked a conspiracy against him. On the night of his murder, Paul was confronted in his bedroom and pressured to sign his abdication. When he refused, the assassins struck him with a sword, strangled him, and trampled him to death. Though he did not participate in the attack, his successor knew about the plot. Who was he? Discuss (http://forum.thefreedictionary.com/postst74674_Russia-s-Czar-Paul-I-Assassinated.aspx)