How is Rainforest Sites of Significance abbreviated? RSOS stands for Rainforest Sites of Significance. RSOS is defined as Rainforest Sites of Significance very rarely. RSOS stands for Rainforest Sites of Significance.
D-Day Invasion. On June 6, 1944, Allied troops landed on the beaches of Normandy and turned the tides of World War II. Early in the morning on June 6, 1944, about 156,000 Allied soldiers stormed a handful of beaches along the coast of Normandy, France.
By this time, the Allies had established a firm foothold in Normandy. Operation Overlord also began on D-Day, and continued until Allied forces crossed the River Seine on 19 August 1944. The Battle of Normandy is the name given to the fighting in Normandy between D-Day and the end of August 1944.