D-Day was almost a German holiday:

During World War II, the importance of an armed citizenry for defense against foreign tyranny was once again confirmed, as Dan Gifford and I suggested in a 1994 column for the D-Day anniversary. In another column, "Why D-Day Mattered," I examine the various hypotheticals about D-Day, such as the consequences of a defeat of the invasion, or of an invasion in 1943.