Sheffield Gang Wars: Murder which shocked Britain 100 years ago 'screams out as a warning from history'
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Hide AdBut it was also the year Sheffield United lifted the FA Cup for a fourth time, as they claimed what remains the club’s last major trophy.


A century later, a local historian says he sees parallels between the Sheffield of 1925 and the city today.
John Stocks is the author of Sheffield 1925: Gang Wars and Wembley Glory - Sheffield’s most Turbulent Year.
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Hide AdHe told how he was inspired to write it after becoming intrigued by stories about the Sheffield Gang Wars passed down to him by his grandfather, a coal miner at Kiveton Colliery, who knew many of the key protagonists through an interest in boxing, football and cricket.
As a Sheffield United fan, and a trustee of the Sheffield Home of Football campaign to promote the city’s sporting heritage, John was also aware that 1925 was the year the Blades secured their last major trophy, beating Sheffield Wednesday en route to winning the FA Cup.


John said he wanted to add a global perspective to the local story of the Sheffield Gang Wars, as well as ‘challenging pervasive myths that always emerge as stories are passed down through generations’.
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Hide Ad“I was also interested in the Peaky Blinders television phenomenon, which was at its peak when I started writing the book,” he said.
Rival gangs
“Having taught English, media and drama in challenging Sheffield schools for over 30 years I knew many children who were victims of gang related conflict and resolved to avoid romanticising or sentimentalising the story.
“I also wanted to discover female perspectives on the key events.”
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The key players in the Sheffield Gang Wars, which made national headlines, were the Mooney Gang, led by George Mooney, and the Park Brigade, headed by Sam Garvin.
Violence flared as they fought to gain control of the lucrative Skye Edge gambling ring, but the troubles reached their nadir in 1925, with the murder of William Plommer.
Ambushed
The former boxer, who had served in the First World, took exception to one of the Park Brigade gang’s members mistreating a barmaid in a Sheffield pub, and gave him a good hiding.
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Hide AdDays later, Plommer was ambushed by a couple of gang members, only to again emerge victorious, leaving them bruised and bloodied.


Not wanting to lose face, on April 27, 1925, around a dozen members of the gang and their supporters turned up outside Plommer’s home on Princess Street, in Norfolk Bridge.
After bravely stepping out to face them, reportedly saying ‘I shall take you on one at a time’, he was beaten, kicked and stabbed to death.
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Hide AdBrothers hanged for murder
The killing of an innocent man sparked outrage across the country.
Brothers Wilfred and Lawrence Fowler were found guilty of murder and were both hanged.


Three other members of the gang were sentenced to between seven and 10 years in prison for manslaughter.
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Hide AdToday, a memorial marks the spot on Princess Street where Plommer was murdered, with the words ‘Brave WP Fought Here’.
Widow forced to flee for her own safety
John, who researched the Sheffield Gang Wars extensively when writing his book, said: “It saw headlines such as 'Sheffield's Orgy of Violence' splashed across newspapers from Glasgow to Penzance.
“Cities resolved that they would not become 'another Sheffield', and the widow of an ex soldier murdered by the gangs was forced to flee to Glasgow for her own safety.
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“I was surprised to discover that it was a national, not just a local story and swiftly saw the parallels with Sheffield in the 2020s.
“Then and now a beleaguered and underfunded police force are bravely trying to stem a tide of criminality that is increasing exponentially.
“In 1925, thousands marched to Burngreave cemetery for the funeral of a victim of knife crime to demand tougher and more robust policing.
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Hide Ad“A hundred years later the same frustration is palpable in a huge march to Bramall Lane after the stabbing of a schoolboy.


“The events of 1925 scream out as a warning from history.”
John told how he had unearthed some surprising truths while researching his book, dispelling several popular myths.
Myths debunked
“I was surprised to discover that contrary to popular belief the gangs were not smashed by the new Chief Constable Captain Percy Sillitoe,” he explained.
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Hide Ad“The decisive battle in the conflict between the Mooney Gang and Park Brigade was an attack on George Mooney's House on Christmas Eve 1923.


“Sillitoe was a remarkably innovative leader but he arrived in Sheffield in 1926.
“His predecessor Hall Dalwood introduced the rapid reaction force or Flying Squad.
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“I was also surprised to learn that the key gangsters were still very active up to the Second World War. They just waited until the heat was turned off and resurfaced.
“Indeed, in Sam Garvin's case he appeared to be protected and immune from police prosecution - literally able to get away with murder.”
John’s book is about all aspects of life in Sheffield in 1925, with back street infanticide, social migration and the key political issues all covered.
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Hide AdFirst published in 2022, the second edition includes new stories gleaned from walks and talks about the gang wars, which were centred around the area dubbed Little Chicago in and around Shalesmoor.
Sheffield 1925: Gang Wars and Wembley Glory - Sheffield’s most Turbulent Year is on sale at shops including Waterstones Meadowhall, La Biblioteka in Leah’s Yard, and The Famous Sheffield Shop on Ecclesall Road.
You can also email [email protected] to order a copy.
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