Prime Timeline
   | Year | Event | 
   | 2209 | 
         ● [1]
         The first case of transporter psychosis is diagnosed. This rare condition is a result of changes to neurochemicals caused by the transporters in use at the time. [1]
 | 
   | 2318 | 
         ● [2]
         An element of transporter technology, the multiplex pattern buffer, is invented. The widespread use of these devices ended the phenomenon of transporter psychosis. [1]
 | 
   | 2362 | 
         ● [3]
         The Setlik III Massacre takes place. This marks the first time that O'Brien has ever killed another person. [4]
      
 | 
   | 2369 | 
         ● [1]
         Barclay rescues the survivors of the USS Yosemite, facing his fear of transporters in the process. [1]
      
 | 
   
Colour key
● - Shows the canon status and reference of the year for this event
References