Nothing. There was a period of about six months after war was declared when nothing happened. This became known as 'The Phoney War'.
Poland never declared war on Germany. Germany declared war on Poland and invaded it in 1939. The United Kingdom warned Germany to withdraw its troops from Poland but Germany gave no heed. This forced the United Kingdom and France to declare war against Germany and the Second World War had begun.
Britain declared war on Germany following the German invasion of Poland.
Germany and the United Kingdom
1 September 1939. After Germany invaded Poland. France and the United Kingdom thereby declared war on Germany, signalling the beginning of the Second World War.
Japan didn't invade Germany. During World War II, Japan actually joined Germany. It was part of the Axis which included Germany, Italy and Japan. After the United States declared war on Japan, Italy and Germany, as Japan's allies, declared war on the United States.
The United Kingdom declared war on Germany at 11am on September 3rd 1939.
Poland never declared war on Germany. Germany declared war on Poland and invaded it in 1939. The United Kingdom warned Germany to withdraw its troops from Poland but Germany gave no heed. This forced the United Kingdom and France to declare war against Germany and the Second World War had begun.
As stated the United Kingdom and France to declared war on Germany.
North Africa Italy
Britain declared war on Germany following the German invasion of Poland.
Germany declared war on France and invaded Belgium. This caused the United Kingdom to declare war on Germany.The time lines of WW1 and 2 can be found in the related links below.
On December 11, 1941, Germany declared war on the United States. Then later that day the United States Declared War on Germany in response.
Germany declared war on the United States because of their declaration of war on japan after the attack on pearl harbour.
The United Kingdom declared war on Germany when they attacked Poland because Churchill promised to defend it.
On 3 September 1939, the United Kingdom, France, Australia and New Zealand declared war on Germany. WW II in the Pacific started on 7 December 1941 when the Empire of Japan declared war on the United States of America, United Kingdom, Australia, New Zealand, and South Africa.
Following the attack on Pearl Harbor on December 7, 1941, the United States declared war on Japan. Because Germany and Japan were in an alliance, Germany then declared war on the US. The United States, in turn, declared war on Germany.
The United Kingdom officially declared war on Germany on August 4, 1914, thereby entering World War I.