No, d-day occured on June 6,1944
For Skirmish Dday you have to call. I assume it is the same for Oklahoma and other big dday games also.
http://www.britannica.com/dday
jaankaree, aank-dday
Dday
how many tanks were there durind dday
The fourth Thursday of November?
From November 1 to November 30
The Leonid meteor shower, often just called the Leonids, occur in November of every year.
From July to November.
november 23
October to November
it usually occur from september to november.