This is a followup to "How to Lose a Battle", more military blunder miscellany, from Ancient Greece to modern-day, including such ill-fated plans as; Xerxes' defeat in Greece at Marathon; Alexander's invasion of India; Napoloeon's occupation of Spain; the French humiliation by Prussia in 1870; Islanwanda, massacre of a British army by the spear armed Zulus; Operation Sea Lion, the no-start Nazi invasion of the U.K.; the loss of China by Chiang Kai Shek to Mao and the communists; and, many more.