Is it correct to write, "I had not seen him since the Seventies" or "I had not seen him since the seventies", or, "I had not seen him since the 70's"? Please tell me which is professionally correct?
Top answer
I would write one of these: the seventies the 1970s the '70s
— RandomGuy
I would write one of these: the seventies the 1970s the '70s
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