september of 1939
France and Great Britain
Northern Ireland was part of Great Britain in WW2.
Britain and France joined the war, becaus Germany invaded Poland. The reason for this is that Britain and France had a pact with Poland, Denmark and Belgium.
Germany wanted to keep the United States out of the war, while Great Britain wanted the United States to join it.
Great Britain fought against Austria-Hungary and Germany. Italy was going to join the Triple Alliance before the war but decided to stay neutral.
Great Britain, or more correctly The United Kingdom of Great Britain and Northern Ireland, was involved in both World War 1 and World War 2.
Germany wanted to keep the United States out of the war, while Great Britain wanted the United States to join it.
well, they joined when britain was at war
Great Britain became one of the first Allied Powers at the beginning of WWII.
France joined on the Allies side with Britain.
Yes, the Confederates tried to get support from Great Britain during the Civil War. However Great Britain stayed out of the war.