Originally known as Armistice Day, Veterans Day occurs on November 11 in honor of the “eleventh hour of the eleventh day of the eleventh month” of 1918 that marked the end of World War I. In 1954, the name of the holiday was changed to Veterans Day by President Dwight D. Eisenhower.
Image: Detail from a World War I recruiting poster by Edward G. Renesch, Chicago, Illinois, 1918 (The Gilder Lehrman Institute, GLC06134)