In Europe: Yes.
WW 2 started on September 3rd as UK and France declared war on Germany.
This declaration (and following declarations of UK colonies like Canada etc.) created a World War - without that it would have been just a regional war.
In Europe: Yes.
WW 2 started on September 3rd as UK and France declared war on Germany.
This declaration (and following declarations of UK colonies like Canada etc.) created a World War - without that it would have been just a regional war.