Bad strategy dooms Netherlands in fight against Nazis: The Netherlands was woefully unprepared for Germany’s ground and air Blitzkrieg in May 1940. Dutch strategic planning had been shaped by an underestimation of Germany, strong pacifist influences, appeasement policies, refusal to coordinate with Britain and France, and a dependence upon defensive strong-points (such as this steel-gated bridge over the Maas River) and obstacles — including flooding large areas of Holland. In June 1940 Nazi Germany marched into France. This and other events from late May to early June 1940 are detailed in World War II timeline below. Learn about this and other World War II events on the timeline found on the following page. It is still found in many homes and is used today in commercial and high-rise building applications. The most common standards used to monitor and assess water quality convey the health of ecosystems, safety of human contact, extent of water pollution and condition of drinking water. A good user manual also has information on common errors and their solutions and the standard schedule for replacing filters and cartridges.

Germans storm France, Low Countries: On May 10, 1940, German tanks, troops, and bombers smashed into France and the Low Countries in a Blitzkrieg — a swift attack with combined air and mobile land forces — that was totally unexpected by the Allies. May 10: Asserting that the Allies are planning to use neutral nations Belgium, Luxembourg, and the Netherlands as a staging area for an attack on Germany, Adolf Hitler invades the Low Countries. May 26: The Allies launch Operation Dynamo, a massive rescue operation to save troops surrounded by the Axis in Dunkirk, France. In just one week, nearly 350,000 British, French, and Belgian soldiers will be evacuated while Luftwaffe planes try to hinder the operation. June 3: More than 250 Parisians lose their lives when the city endures an air assault by some 200 Luftwaffe planes. May 27: Nazi Germany takes the port city of Calais, France — a mere 26 miles across the Channel from Dover, England. German Ju-88 bomber important to Luftwaffe: The Ju-88 twin-engine medium bomber boasted a maximum speed of 269 mph, a ceiling of almost 30,000 feet, and a range of 1,112 miles. However, this was one of the iconic weapons of the war, with both Allied and German troops recognizing it as the best weapon of its class.

The “Schmeisser” principal weapon of Wehrmacht: The MP40 Maschinenpistole was known universally but inaccurately as the “Schmeisser” after weapons designer Hugo Schmeisser, who did not design this submachine gun. Winston Churchill becomes Britain’s prime minister when Neville Chamberlain, who was losing support in Parliament, resigns. In 2019, in the aftermath of the Pulwama attack, the Union Minister for Water Resources and a senior leader in the ruling party BJP Nitin Gadkari said that all water flowing from India will be diverted to Indian states to punish Pakistan for an alleged connection to the attack, something which the Pakistani Government denied and condemned at first, but whose role was later acknowledged by the then Minister of Science and Technology of Pakistan, Fawad Chaudhry in the National Assembly of Pakistan. The Netherlands government flees The Hague. May 15: The Nazi campaign in the Netherlands ends when the Dutch army surrenders to the Wehrmacht. Belgium, Luxembourg, and the Netherlands fell quickly.

Antwerp, Belgium, will capitulate the next day. Effective this Friday, the layoffs of 15,200 unionized workers and 1,300 managers will last through April and May amid drastically reduced flight capacity from the Montreal-based airline. May 11: The Allies land in the Dutch West Indies to guard the oil resources of Aruba and Curaçao against German saboteurs. May 11-12: In what is regarded as the Allies’ first significant air raid against a civilian population, the British Royal Air Force (RAF) attacks Mönchengladbach, Germany, losing three planes in the process. Communication centers are targeted in the first British Royal Air Force (RAF) bombing raid over Germany. May 17: A Nazi occupying force marches into Brussels, Belgium. May 28: King Leopold III orders the surrender of the 500,000-man Belgian Army, an order that will lead to his deposition at the hands of the Belgian government, which is in exile in France. It will establish itself in exile in London. He will be liberated at the armistice near the end of the month, resume flying, and ultimately be credited with more than 100 victories before being killed in an accident. At the very high temperature of 3,000 °C (3,270 K; 5,430 °F) more than half of the water molecules are decomposed.