The nightmare on Downing Street (Charles McQuillan/Getty Images)

In a vast, bleak industrial hangar, endless coffins are laid out, as far as the eye can see. So begins a scene in Dennis Kelly’s conspiracy drama, Utopia, set amid the turmoil of the Winter of Discontent. In February 1979, gravediggers were among the workers who went on strike for higher pay. Ever since, the imagery of the Seventies — the unburied dead, the binbag mountains, the shouty men with unlikely hair — has haunted British politics like a nightmare.
This week’s rail strikes have revived all this, from Monday’s Sun headline (“We regret to announce that this country is returning to the Seventies”) to the appearance of an elderly Arthur Scargill on a picket line in Sheffield. Amid a backdrop of rocketing energy prices that echo the oil shock of 1973, and a Prime Minister who has never looked so vulnerable, there is much talk of a “summer of discontent”.
But if the issues are similar, we have arrived at them from the opposite direction. History is not just a gallery of taboos, laid out in a blank space like those coffins in Utopia, ready to be raised from the dead at will. The backstory of those Seventies images was a decade-long power struggle very different to today’s.
It is hard now to appreciate just how permanently powerful the trade unions once seemed — partly because that power was founded on a shared fear that has long since faded. In the Sixties, free-market economics was a Victorian relic, unsuited to an interconnected modern economy, forever damned by the mass unemployment it had produced before the war. That memory of Thirties dole queues was the nightmare to which Britain must never return: the founding taboo of the post-war consensus, which meant governments must strive for full employment. This hugely bolstered the unions’ position. Striking is less scary if jobs are plentiful.
The long, agonising journey to the Seventies began as strikes became more frequent, and less tolerated. Labour and Conservative governments took turns to try to rein in union power — but without breaking the taboo on mass unemployment. So it was not simply the annoyance of a cancelled train or an uncollected rubbish bin that turned the imagery of the Seventies strikes into a nightmare. It was the battle for power between the unions and governments they represented, and the creeping dread that the unions were winning.
The single event that did most to sear this into ministers’ minds was a stand-off at a spectacularly tedious location: the gates of a coke depot in the Saltley district of Birmingham, at the height of the 1972 miners’ strike. On 10 February, thousands of pickets, marshalled by a young union official from Barnsley called Arthur Scargill, managed to compel the police to close the gates to the lorries queuing to collect coke — breaking the Chief Constable’s promise to the Home Secretary to keep them open.
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