Gen. Montgomery wrote his entire D-Day invasion battle plan on a single piece of paper — here it is

• The D-Day invasion of Normandy was a massive, complex operation with nearly 160,000 troops.
• Allied war planners prepared for months, drafting many plans for the spearhead into German-occupied Europe.
• Britain's Gen. Montgomery kept it simple, writing his plans for the historic land, air, and sea operation on one sheet of paper.

The Allied invasion of the Nazi-occupied French coast of Normandy on D-Day was one of the most complex military operations ever undertaken, but amid the intense preparation and planning for history's largest combined land, air, and sea operation, one commanding general kept it simple, scribbling out his war plans on a single piece of paper.