City fans at Hyde Road used to throw stones at the opposition teams as they entered the pitch. It was said to be a very hostile place to go.
City and United were actually on friendly terms as clubs for a long time:
We agreed with United for our best players to go to them after they received bans from playing for City in 1906 so the people of Manchester could still enjoy seeing those players.
We got Ernest Magnull from United.
We agreed to block the vote to allow Manchester Central into the league in support of United.
We gave United our old kits when they were in financial trouble - the ‘Rags’.
We allowed them to use Maine Road when Old Trafford had been bombed in the war.
Lots of City fans watched United at Maine Road and gave them support especially behind our old player Busby, even into the 60s Mancunians would go and watch City at Maine Road one week and United at Old Trafford the next.
It was actually City and Bolton who were big rivals earlier in football. We played them in the FA Cup finals of 1904 and 1926. We won the 1904 final and then played them in a heated game in the FA Cup in 1905 which Bolton won. Bolton won the 1926 final. And with United not being much of a side from Magnull’s time until Busby’s time, City and Bolton were the region’s top clubs and rivals.
However, football has pretty much always been the same:
‘If you're talking about the modern game, then look no further than the 1880s and, in particular, Preston North End. In 1885, Preston's 5-0 friendly win over Aston Villa sent the supporters - who were described by press reports of the time as "howling roughs" - into a frenzy. The two teams were pelted with stones, attacked with sticks, punched, kicked and covered in spittle. One of the Preston players was beaten so severely that he lost consciousness.
The following year Preston fans notched up another first - fighting Queens Park fans in a railway station. Another milestone of sorts was reached in 1905 when several Preston supporters were tried for hooliganism, including a "drunk and disorderly" 70-year-old woman, following their match against Blackburn’.
WHEN DID FOOTBALL VIOLENCE START?
www.theguardian.com
Early football chants were said to be a continuation of an old folk tradition of blason populaire.
etheses.whiterose.ac.uk
Tribalism associated with the region you come from and opposing yourself to other regions and belittling them, is an old folk tradition of Britain.