August 4 1914, after Germany did not withdraw from Belgium, Great Britain declared war on Germany.
France and Britain declared war on Germany.
Because Germany declared war on Britain.
the feh law
The British had promised the Belgians that they would support them if Germany attacked them. When Germany invaded Belgium, Britain declared war on Germany.
He didn't. Britain declared war with Germany.
Britain declared war on Germany at 11am on Sunday 3rd September 1939.
Poland.
germany
Poland
Britain told Germany to remove their troops from Poland. Germany refused and Britain declared war on them
It's all about promises.In WW1 Britain promised to protect Belgium and after Germany invaded them to get to France war was declared upon Germany from Britain.In WW2 Britain had agreed to protect and help Poland in all military scuffles and when Germany invaded and refused to leave Poland Britain declared war upon Germany.