HSP timeline By mklause 490 BCE Soldier goes blind after witnessing fellow soldier get killed Sep 12, 1678 Swiss soldiers with PTSD like symptoms are diagnosed with "nostalgia" Sep 12, 1890 Text written by James Beard to describe hysteria, symptoms described would now fall into a PTSD diagnosis Sep 12, 1920 Southbourough Committee conducted a study on "shell shock"1939: The term "shell shock" was dropped by the U.S Army Sep 12, 1945 Ad published in Life magazine for a medication that could treat colic and "battle reaction and mental trauma Sep 12, 1951 DSM-I contains category titled "Gross stress reaction" Sep 12, 1962 DSM-II contains category titled "transient situational disturbance" Sep 12, 1968 PTSD related diagnoses were omitted from DSM1980: PTSD added to the DSM-III Sep 12, 1987 Changes in the PTSD diagnosis in the DSM-III-R Sep 12, 2013 DSM-5 makes multiple evidence-based revisions to the PTSD diagnosis