Battle of Belgium (German: "Zusammenfassender Bericht des Oberkommandos der Wehrmacht über die Operationen im Westen vom 10. Mai bis 4. Juni") reports: Battle of Belgium The Battle of Belgium or Belgian Campaign, often referred to within Belgium as the 18 Days' Campaign (, ), formed part of the greater Battle of France, an offensive campaign by Germany during the Second World War. It took place over 18 days in May 1940 and ended with the German occupation of Belgium following the surrender of the Belgian Army. On 10 May 1940, Germany invaded Luxembourg, the Netherlands, and Belgium under the operational plan "Fall Gelb"
France–Germany relations in the population and economy of Germany left France increasingly far behind. In the 1890s relationships remained good as Germany supported France during its difficulties with Britain over African colonies. Any lingering harmony collapsed in 1905, when Germany took an aggressively hostile position to French claims to Morocco. There was talk of war and France strengthened its ties with Britain and Russia. The long-term French reaction to defeat in the Franco-Prussian war of 1870-71 was Revanchism: a deep sense of bitterness, hatred and demand for revenge against Germany, especially because of the loss of Alsace and Lorraine. Paintings that emphasized