80 Years Ago—April 9, 1940: Germany invades Denmark and Norway, with the first use of combat paratroopers in history.
Denmark falls in less than six hours, with 16 Danish soldiers killed and 20 German soldiers killed.
In Norway, Germans take Oslo, Kristiansand, Stavanger, Bergen, Trondheim, and Narvik.
75 Years Ago—Apr. 9, 1945: Nazis execute German resistance members – pastor Dietrich Bonhoeffer, Adm. Wilhelm Canaris, Hans von Dohnanyi, and Gen. Hans Oster in Flossenbürg concentration camp.
Soviets take Königsberg, Germany after a long siege.
British Eighth Army opens its final offensive in Italy near Bologna.
US Eighth Army lands unopposed on Jolo in the Philippines.