Songs that have dated

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inspred by hearing "Free Nelson Mandela" & a thread about protest songs on another site. What songs have really dated because of their subject matter - Special a.k.a - Free Nelson Mandela (for obvious reasons), Too Much Too Young as well because of the idea that the too young mother has been forced to get married and stay doing the cooking - the rants against young girls getting pregnent is stil very relivent though "just another burdon on the wellfare state" "Ain't you heard of the starving millions Ain't you heard of contraception" (The specials in Daily Mail headlines writing shocker?!) any protest/polital songs that are too specificly about the then current climate &/or leaders (i.e anything attacking Margaret Thatcher or George Bush once he's gone) any other suggestions?