What is the D in D -Day

I'm pretty sure it was how they plan all military operations, as D-1 would be one day before D+1 one day after etc, and the same with H for hours. Not just used in 1940s but until recently (and I assume still carried on today).
Just read that in your OP, sorry!

I'm pretty sure it was how they plan all military operations, as D-1 would be one day before D+1 one day after etc, and the same with H for hours. Not just used in 1940s but until recently (and I assume still carried on today).
Just read that in your OP, sorry!

yes
D-Day means the instant the operations staart, plenty of D days exist, 23 JUNE 2016 is the D-Day of UK new deal

ok, an interesting hobby I must say. Probably why you're the only one who writes in your threads, frenchbasher

yes like some are in EU and out simultaneously, like the rabbit in Alice's Wonderland, I should guess, ins't it indeeed ?
Is Scotland in EU mr K . ? any idea , may be it is too early to think to it ???
undecipherable mind of highlanders, enigma - tic ??
Serious question : proved reserves stock of oil in Scotalnd's claims and properties : how million barrils, please ? it is on ekey of decisions, i suppose we can guess. Ty for any serious reply.

The -D stands for iDiot I assume.
think about what you're saying. How is freeing Europe from fascist persecutors idiotic?

I cannot reply if I am blocked. Except here of course. Just saying.
who cares ? that's the point Just writing

each country has his D-Day.
For UK it is 23 JUNE , for Scotland it is too.
For Normandy it is 06 06 1944.
For France it is 14 07 1789.
FOR USA 04 07 1776 ! VIVE USA, VIVE FOURTH OF JULY HAPPY FETNAT folks!
and tomorrow ? never say never
paysage après la bataille , good movie
La Ballade du soldat transition you saw it ??
no pbwith me, perfect timing youwere right in the tie at the good place, as usul, which defines friends.