D-Day means the day which a military event will start. Contrary to some beliefs, D-day does not stand for Decision day but rather the day on which a military offensive is to be launched. There is but one D-Day and one H-Hour for all units participating in a given operation. It is for this reason that the D-Day is considered a very important day in the history of the world.
The terms D-Day and H-Hour are used for the day and hour on which a combat attack or operation is to be initiated. Wiki says In the military, D-Day is the day on which a combat attack or operation is to be initiated. What does the D in D-Day stand for. Some cardiac cells are self-excitable, contracting devoid of any signal from the nervous system. In regards to the military, it refers to the day on which operations begin, otherwise known as Disembarkation Day. How do I connect a dryer with a four prong plug to a three prong socket, what does d day mean yahoo.