A vanished island in the Trent near Nottingham

Shakespeare knew all about the River Trent's fondness for changing its course. Here's Hotspur in Henry IV, Part 1 : Methinks my moiety, north from Burton here, In quantity equals not one of yours: See how this river comes me cranking in, And cuts me from the best of all my land A huge half-moon, a monstrous cantle out. I'll have the current in this place damm'd up; And here the smug and silver…