<P> The Declaration of war by France and the United Kingdom was given on 3 September 1939 , after German forces invaded Poland . Despite the speech being the official announcement of both France and the United Kingdom , the speech was given by the British Prime Minister Neville Chamberlain , in Westminster , London . </P>
<P> The Declaration of war by France and the United Kingdom was given on 3 September 1939 , after German forces invaded Poland . Despite the speech being the official announcement of both France and the United Kingdom , the speech was given by the British Prime Minister Neville Chamberlain , in Westminster , London . </P>
what date did britain declare war on germany
what date did britain declare war on germany
3 September 1939
3 September 1939