Today in World War II History—June 10, 1943

B-17F Flying Fortress bomber of the US 94th Bombardment Group bombing Focke-Wulf aircraft factory, Marienburg, Germany, 9 October 1943 (US National Archives: 208-YE-7)
80 Years Ago—June 10, 1943: US and Britain begin Combined Bomber Offensive (“Pointblank”) against Germany; priorities for bombing targets are submarine yards, aircraft factories, ball bearings factories, and oil targets.
President Roosevelt signs bill allowing taxes to be deducted from paychecks.
Laszlo Biro, a Hungarian-Jewish refugee living in Argentina, files a US patent for the first commercial ballpoint pen.