Wearsider bemoaned the advantages that merchants in Royalist Newcastle had over their Wearside counterparts. That led to Sunderland becoming a Parliamentarian stronghold.
Sunderland and Newcastle again found themselves on opposite sides during the Jacobite risings, with Newcastle in support of the Hanoverians with the German King George. Sunderland siding with the Scottish Stuarts.
The first meeting of the two football sides took place in 1883 in the FA Cup back in 1888 which Sunderland won 2-0 over Newcastle East End before the emergence of Newcastle United.
Since then, Newcastle United and Sunderland have both won on 53 occasions with the pair sharing 50 draws. But which players have played for both clubs? Here, we take a look at some of the most notable names to have played for both sides:
25. David Kelly
The Irishman enjoyed two-year successful spells with both Newcastle and Sunderland in the 1990s. Photo: Getty Images
26. Patrick van Aanholt
The Dutchman was loaned to Newcastle United from Chelsea back in 2010. Photo: Michael Regan
27. Steve Caldwell
The defender came through Newcastle United's academy before joining Sunderland in 2004. Photo: Ben Radford
28. Robbie Elliot
Gosforth-born Robbie Elliot enjoyed two stints with Newcastle United before a short-term deal with Sunderland in 2006. Photo: Gary M. Prior