Why is the Seven Years War sometimes considered the “first world war” ?

The first World War: ... That laurel belongs to a war that broke out 160 years earlier, in 1754, and carried on until 1763. Fighting did not start in Europe until 1756, which is why the conflict is known as the Seven Years' War in that part of the world. But it was truly global.

Explanation:

answer; observing;

answer; society;