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:
9. SUNDERLAND, UNITED KINGDOM - SEPTEMBER 20: Michael Chopra of Sunderland celebrates his first goal during the Barclays Premier League match between Sunderland and Middlesbrough at the Stadium Of Light on September 20, 2008 in Sunderland, England. (Photo by Clive Mason/Getty Images)
Michael Chopra came through the youth system at Newcastle United and later played for Sunderland in the Premier League under Roy Keane. Photo: Clive Mason
10. DeAndre Yedlin
DeAndre Yedlin was on loan at Sunderland from Tottenham during the 2015-16 season before going on to make 112 league appearances for Newcastle United. Photo: Stu Forster
11. Javi Manquillo
Sunderland loaned Javi Manquillo during the 2016-17 season before joining Newcastle United on a permanent deal the following season where he remains. Photo: Mike Hewitt
12. Michael Bridges
North Shields-born Michael Bridges played for Newcastle United on loan in between two permanent stints at Sunderland and one loan spell on Wearside. Photo: Ross Kinnaird