The 1927 Bombing That Remains America’s Deadliest School Massacre

Read more: https://www.smithsonianmag.com/history/1927-bombing-remains-americas-deadliest-school-massacre-180963355/#MfKcldv3l9LdScS2.99
Give the gift of Smithsonian magazine for only $12! http://bit.ly/1cGUiGv
Follow us: @SmithsonianMag on Twitter