The main events that marked the end of the Cold War were the fall of the Berlin Wall in 1989 and the breakup of the Soviet Union in 1991. The Berlin Wall had been the main symbol of the Cold War.
The Council of Trent was exceedingly important for its clearing orders on self-reform and for its stubborn definitions that clarified essentially each convention challenged by the Protestants. Incited by the Reformation, it also has been portrayed as the encapsulation of the Counter-Reformation.
Please correct any mistakes in my answer!! I'd be happy to fix it!! :)