Cliff Richard was a supporter while other luminaries included Mary Whitehouse, Salvation Army leaders and senior clergy. Even Prince Charles sent his "good wishes".

But despite tens of thousands of Christians taking part in September 1971's Nationwide Festival of Light, a month-long campaign against Britain's "moral breakdown" and the permissiveness ushered in by the previous decade, it eventually ran out of steam. After torches and hilltop bonfires were lit around the country, the culmination was a spectacular Trafalgar Square rally.