What happened in the year 1545?

In 1545, one significant event was the beginning of the Council of Trent, convened by the Catholic Church in response to the Protestant Reformation. This important ecumenical council aimed to address issues of church reform and clarify Catholic doctrine. Additionally, 1545 saw the discovery of silver at Potosí in present-day Bolivia, which would later lead to a major influx of wealth and contribute to the Spanish Empire's power in the Americas.