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
5 countries were involved
123 countries involved in the war
Countries involved were most of Europe, Asia, and the Americas.
Countries involved in the middle passage were America and Africa.
Involved in What?
the thing that occurred on DDay was one of the very invasions on Omaha beach, Utah beach, Sword beach it involved the U.S army invading the beaches and the British a Lot of men died
Basically every country who was involved in the war. Also many neutral countries were involved in rescue attempts.
127 The number of countries involved in the Olympic Games is 205.