2082 is the name of a song by the band They Might Be Giants from the album Join Us. The song is about someone who travels ahead in time to visit his future self. 2082 will be the 100th anniversary of the band's formation.
A war in Ayreon's universe is set in 2084, said to be the "Sixth Extinction" by the "Forever" aliens (the "Fifth Extinction" was that of the dinosaurs 65 million years prior), causing the extinction of mankind save for the colony on Mars. Due to Mars' incapacity to support life, the Mars colony is effectively doomed, and after the death of its last inhabitant, the last human being, he is re-created as a new soul, the new Universal Migrator.
2084: Tomorrow is Today, a futuristic novel by John William McMullen set in the year 2084 in which the world has spiraled from economic collapse, limited nuclear war, and global anarchy into a United World under the protection of The Program.