December 12, 1941
The US declared war on Germany, hour after Germany declared war on the US on December 11, 1941.
The US declared war on Germany on Dec 11th 1941, (two days after Germany declared war on the US). Everything since that date to the present is after.
They declared war on Germany with France. I don't know the date.
1914
August 4 1914, after Germany did not withdraw from Belgium, Great Britain declared war on Germany.
President Woodrow Wilson declared war on Germany in World War I on April 6, 1917.
If this question is in reference to World War II, most countries declared war on Germany because Germany declared war on them.
The prime minister of Britain declared war in Germany. The world war 2 started by Germany in a unprovoked attack on poland.
Australia declared war on Germany as well.
September 1, 1939. Germany invaded Poland. Great Britain and France declared war on Germany.
no the beginning of the second world war (ww2) was the 1st of September 1939 when Germany invaded Poland Britain and France declared war !!!
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.