Military history of the Netherlands during World War II Military history of the Netherlands during World War II The Netherlands entered World War II on May 10, 1940, when invading German forces quickly overran them. On December 7, 1941, after the attack on Pearl Harbor, the Netherlands government in exile also declared war on Japan. Operation Market Garden, which started in 1944, liberated the southern and eastern parts of the country, but full liberation did not come until the surrender of Germany on May 5, 1945. When World War II erupted in September 1939, most in the Netherlands believed that the country could remain neutral, as it had in
Resistance during World War II occupied Poland during World War II, essentially a continuation of the Zamosc Uprising. During Operation Most III, in 1944, the Polish Home Army or Armia Krajowa provided the British with the parts of the V-2 rocket. Norwegian sabotages of the German nuclear program drew to a close after three years on 20 February 1944, with the saboteur bombing of the ferry SF Hydro. The ferry was to carry railway cars with heavy water drums from the Vemork hydroelectric plant, where they were produced, across Lake Tinn so they could be shipped to Germany. Its sinking effectively ended Nazi nuclear ambitions.