September
England declared war with Germany in September 1939.
He did not. Germany declared war on England.
England did not declare war on Germany. Great Britain did. England is not an independent nation. Nonetheless the Answer is still Poland.
poland
The Germans attacked Poland, this caused England and France to declare war on Germany, so Germany declared war on them.
The English did not declare war on Germany, Great Britaindeclared war on Germany because Germany had invaded other European countries with which Great Britain had a mutual defense agreement.
September 1939
The Invasion Of Poland by Germany in 1939.
11:15 on September 3rd
England and France declared war on Germany after Germany, (and Russia), invaded Poland.
England and France declared war on Germany after Germany, (and Russia), invaded Poland.
When Germany invaded Poland, France and England declared war on Germany, this started WWll