Council of Trent was held from _________ ?

A. 1545 to 1563
B. 1550 to 1556
C. 1560 to 1563
D. 1540 to 1545

The Council of Trent (Latin: Concilium Tridentinum), held between 1545 and 1563 in Trent (or Trento, in northern Italy), was the 19th ecumenical council of the Catholic Church. Prompted by the Protestant Reformation, it has been described as the embodiment of the Counter-Reformation.