War Day; Declared by the President, Associated with an adversary decision to prepare for War
Governmental » Military
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W&WP - W&WQTF - W-9 - W-BIT - W-CDMA - W-DCS - W-E - W-G - W-WNF - W.A.L.
"W-DAY." Abbreviations.com. STANDS4 LLC, 2015. Web. 29 Aug. 2015. <http://www.abbreviations.com/W-DAY>.