Would Memoirs of the Twentieth Century (1733) count? Most of the book is satirical alternate history, but the bookend device is an angel coming back from 1998 to 1728 to drop off some future letters. Angels I suppose can go where and when they please.
My first suggestion was going to be The Blazing World, (1666) but that's travelling between worlds, not times.
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Date: 2014-03-25 09:24 pm (UTC)My first suggestion was going to be The Blazing World, (1666) but that's travelling between worlds, not times.