The Seven Years' War fits the description provided.
What was the conflict
This global conflict involved battles on multiple continents, including Europe, North America, South America, Africa, and Asia. It was fought between major European powers such as France, England, Spain, Prussia, and others, primarily over colonial possessions, territorial disputes, and power struggles.
The war lasted from 1756 to 1763 and is often considered the first global conflict due to its widespread nature and involvement in multiple regions across the world.