Jacob T. Levy
The 90s were long; they lasted from the fall of the Berlin wall in autumn '89 until September 11 2001.
The 70s were long; they lasted from the Tate murders in August '69 until "Xanadu," August 1980.
(That leaves only a short 1980s.)
How do you carve up the 2000s/ 2010s/ 2020s?