Share This Article 1. The August 1, 1943 raid on this target during World War 2 was later recalled as “Black Sunday” by the US Army Air Force. Danzig Hamburg Ploesti Schweinfurt 2. On June 21, 1877 six members of this Irish secret society were hanged in Pottsville, Pennsylvania. The Fenians The Molly Maguires The Red Army The Irish Republican Army 3. On April 29, 1861 this state voted overwhelmingly to stay in the Union. Tennessee Missouri Kentucky Maryland Loading …