Prime Timeline
   | Year | Event | 
   | 2064 | 
         ● [1]
         Zefram Cochrane makes a speech in which he reveals the Enterprise-E's and Borg's participation in the events surrounding his warp flight. He later recants, and given his reputation for telling tall tales the revelation is largely forgotten. [1]
      
 | 
   | 2153 | 
         ● [2]
         A group of Borg which have been frozen on Earth's polar region since being destroyed by the Enterprise-E in 2063 are revived by a team which is investigating the debris. They assimilate the investigators and escape the planet, but are subsequently destroyed by the NX-01 [2]
      
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References