Most historians consider September 1939 the start of World War 2 when Hitler invaded Poland and violated the Versailles Treaty.
WW2 in Europe began on September 1st, 1039, when the German Army invaded Poland. The US got involved during the Sicily invasion, but more famously on June 6th, 1944, during opertion Overlord.
The war in Europe officially ended with a German surrender on May 8, 1945.
Hitler occupied Czechoslovakia.
Westen Europe
You have to be a little more specific on which war you are talking about. World War I officially began on July 28, 1914. World War II officially began on September 1, 1939 (although some countries were already fighting, notably that Japan was already fighting China).
Yes, they entered from the start as Great Britain
Europe
May 8th 1945.
August 1914
The war in Europe officially ended with a German surrender on May 8, 1945.
Hitler occupied Czechoslovakia.
Germany invaded Poland on 1 September 1939, which is the official start date of World War 2, not World War 1
Germans invaded Poland
Westen Europe
You have to be a little more specific on which war you are talking about. World War I officially began on July 28, 1914. World War II officially began on September 1, 1939 (although some countries were already fighting, notably that Japan was already fighting China).
World War 2 in Europe (1939-1945).
VE Day, or Victory in Europe Day, officially started on May 8, 1945, three days after German forces surrendered in North-West Europe. World War 2 lasted from 1939 to 1945.
Arguably Germany and Austria