alt Hacker NewsIt's only considered to have started then because that's when France and Britain declared war on Germany, and that's who wrote the history books.
It's only considered to have started then because that's when France and Britain declared war on Germany, and that's who wrote the history books.
Sep 1 1939 is when it escalated from a small number of 2-party wars to a massive multi-party war. It's not the day the war started, it's the day it became a "World War".