For 10 points, name this faux fact invented for the article "A Neglected Anniversary" by H.L. Mencken, which falsely claimed Millard Fillmore introduced a certain something into the White House.
A July tradition in Moravia, New York, involves a race down Main Street in honor of this. It was featured in a 2008 Kia TV ad, while its originator once commented "the success of this idle hoaxÂ…vastly astonished me." For 10 points, name this faux fact invented for the article "A Neglected Anniversary" by H.L. Mencken, which falsely claimed Millard Fillmore introduced a certain something into the White House.
A July tradition in Moravia, New York, involves a race down Main Street in honor of this.
Bathtub Hoax