Was Operation Diadem or the Battle of Cold Harbor fought during the Civil War?
Operation Diadem Operation Diadem, also referred to as the Fourth Battle of Monte Cassino or, in Canada, the Battle of the Liri Valley, was an offensive operation undertaken by the Allies of World War II (U.S. Fifth Army and British Eighth Army in May 1944, as part of the Italian Campaign of World War II. "Diadem" was supported by air attacks called Operation Strangle. The opposing force was the German 10th Army.
Battle of Swift Creek The Battle of Swift Creek or Arrowfield Church was fought on May 9, 1864, between Union and Confederate forces during the American Civil War. Union forces were only partially successful: they inflicted damage on the local railroad, but further advance was halted.