1.go to Hanover = begone, be off (cf. go to Hexham, Bath, Jericho ); so to send to, wish at Hanover.
ΚΠ
1727 J. GayBallad on Quadrille x, in J. Swift et al. Misc.: Last Vol. 201 And now, God save this noble Realm, And God save eke Hanover; And God save those who hold the Helm, When as the King goes over.