We’ve all experienced mortifying moments. Like a bad case of hiccups in the middle of a wedding service. Or an uncontrollable outburst of the giggles at a high school graduation. Situations that spoil a special moment. Such an unfortunate incident occurred 181 years ago this spring, marring a former president’s sendoff. And the horrified mourners couldn’t believe the culprit responsible for it. For decades, Andrew Jackson had seemed indestructib…