Japt, 12 6 bytes

Saved 6 bytes thanks to @ETHproductions

#yonKi

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###Explanation: #yonKi #y // # gets the char-code of y, which is 121 o // Create a range from [0...121] nKi // At each item, perform .n(K.i()), which subtracts each item from Ki (Current year)

Japt, 12 6 bytes

Saved 6 bytes thanks to @ETHproductions

#yonKi

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Explanation:

#yonKi
#y          // # gets the char-code of y, which is 121
  o         // Create a range from [0...121]
   nKi      // At each item, perform .n(K.i()), which subtracts each item from Ki (Current year)


     

Japt, 12 9 bytes

Saved 3 bytes thanks to @ETHproductions

Ki ô#xn)w

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###Explanation: Ki ô#xn)w ò ) // Create a range from Ki // current year #xn // to ^ - 120 (#x transpiles to 120, n is negation) w // Reverse the output giving us a range from [Year...Year-120]

Japt, 12 6 bytes

Saved 6 bytes thanks to @ETHproductions

#yonKi

Try it online!

###Explanation: #yonKi #y // # gets the char-code of y, which is 121 o // Create a range from [0...121] nKi // At each item, perform .n(K.i()), which subtracts each item from Ki (Current year)

Japt, 12 9 bytes

Saved 3 bytes thanks to @ETHproductions

Ki ô#xn)w

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###Explanation: Ki ô#xn)w ò  // Create a range from: Ki // Current year #xn // To 120 - Current year (#n transpiles to 120)
  )w // Reverse the output giving us a range from [Year...Year-120]

Japt, 12 9 bytes

Saved 3 bytes thanks to @ETHproductions

Ki ô#xn)w

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###Explanation: Ki ô#xn)w ò ) // Create a range from Ki // current year #xn // to ^ - 120 (#x transpiles to 120, n is negation) w // Reverse the output giving us a range from [Year...Year-120]