Respuestas al mensaje #22,889

🔧 Site instability resolved. You can report double-posts and broken attachments. For bigger issues, use the Technical Grievances thread.
🇵🇦 Nuestro primer dominio localizado está en español en kiwifarms.pa. Our first localized domain is on Spanish on kiwifarms.pa.

It's 1990s. 1990's with an apostrophe means the 1990s own something. 1990s with no apostrophe refers to the decade.

"Since when has it been the Berenstain Bears?" This is not a case of pluralizing, though. If you want to say something belongs to a plural noun...