• glimse@lemmy.world
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    3 months ago

    The 1990s: Correct

    The '90s: Also correct as you’re abbreviating the above.

    The 90’s: Incorrect but I understand the mix-up.

    The 1990’s: Totally wrong in every way

      • glimse@lemmy.world
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        3 months ago

        Then you write The 90s’ like you would with other words ending in S. “The 90’s” would be like writing “The new’s”

        It’s referring to the years between 1990 and 1999 so the 90s is already plural.