- 
  
  This timeline shows the slow recognition of PTSD and how it has changed over time.
- 
  
  The establishment of this hopsital stemmed as the beginning of mental illness recognition.
- 
  
  Robert C. Wood's talks about the effect of homesickness on mostly young soldiers.
- 
  
  
- 
  
  On this date, Arthur Hubbard wrote a letter to his mother explaining his "shell shock," suffered during World War I.
- 
  
  World War II started the use of the terms "battle fatigue" or "combat exhaustion" because of bigger weapons. Soldier's were often in isolation when fighting, limiting their social interaction.
- 
  
  The National Center for PTSD is dedicated to research specific treatments for those Veterans suffering from PTSD, as well as to educate people on the effects of it.
