Passage: It was in that month that the Empress of Russia died and her successor Paul, who detested the Zubovs and had other plans for the army, ordered the troops to retreat back to Russia. This reversal aroused the frustration and enmity of the powerful Zubovs and other officers who took part in the campaign: many of them would be among the conspirators who arranged Paul's murder five years later.

Question: How many years later was Paul killed?
five years