A Spanish-Imperial army defeats French-Venetian army in the battle of Bicocca. The battle marks the end of dominance of Swiss mercenaries on the battlefield and is one of the first where firearms play a decisive role.

The Spanish Empire, sometimes referred to as the Hispanic Monarchy or the Catholic Monarchy, was a colonial empire that existed between 1492 and 1976. In conjunction with the Portuguese Empire, it ushered in the European Age of Discovery. It achieved a global scale, controlling vast portions of the…