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.
Although the term D-Day is used routinely as military lingo for the day an operation or event will take place, for many it is also synonymous with June 6, 1944, the day the Allied powers crossed the English Channel and landed on the beaches of Normandy, France, beginning the liberation of Western Europe from Nazi control during World War II.