The first Canadian Army units arrived in Britain in December 1939. In all, over a million Canadians served in the armed forces during World War II and approximately 42,000 were killed and another 55,000 were wounded. Canadian troops played important roles in many key battles of the war, including the failed 1942 Dieppe Raid, the Allied invasion of Italy, the Normandy landings, the Battle of Normandy, and the Battle of the Scheldt in 1944. Canada provided asylum for the Dutch monarchy while that country was occupied and is credited by the Netherlands for major contributions to its liberation from Nazi Germany.