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 ::No, the article does not say that the first time the word marriage was extended to include same-sex marriages is in 2001. The article does say that the first time the legal status of marriage was so extended was 2001, but the article also notes that the term can refer to socially recognized marriages rather than just legal ones. And something does not need to actually exist for the term to be in use and relevant; the term ""same-sex marriage"" makes dictionary appearance before 2001.  If we do not build the first starship until 3058, the term starship will not be a neologism then, as we will have been using it for centuries, even if the thing we were discussing was a theoretical item rather than an actual one. The phrase same-sex marriage has entered into common use; even if it's to describe something people believe cannot or should not exist, that aspect doesn't make it a neologism.   "