What is referred to as D-Day, occurring on June 6, 1944?

D-Day, which occurred on June 6, 1944, specifically refers to the Allied invasion of Normandy, France during World War II. This operation, known as Operation Overlord, was one of the largest amphibious military assaults in history and marked a significant turning point in the war. The successful landing enabled Allied forces to establish a foothold in Europe, which eventually led to the liberation of Western Europe from Nazi control.

On this day, thousands of troops from multiple countries, including the United States, Britain, and Canada, landed on the beaches of Normandy after extensive planning and deception strategies to mislead German forces about the location and timing of the invasion. The term "D-Day" itself is a military term used to denote the day on which a combat attack or operation is set to commence and does not solely apply to this event, but in popular usage, it has become synonymous with the Normandy landings.

The other events listed, such as Japan's surrender and the U.S. invasion of Japan, occurred later in the war and were part of different military actions. The end of World War II did not occur until nearly a year after D-Day, when Japan surrendered in September 1945. Thus, the context and significance