This is the date in 1914 when Europe got the big shove that eventually costs millions of lives: Serbian activist Gavril Princip assassinated the Archduke Franz Ferdinand of Austria and killed his wife, Sophie.
Archduke Franz Ferdinand and family. LOC
Gavril Princip is arrested.
Serbian civilians at an American Red Cross station in 1917. U.S. National Archives.
WW1HA 