Moments When Britain Almost Became A Republic

It’s easy to think of the British monarchy as something permanent, a centuries-old fixture that’s weathered everything from world wars to royal scandals. But the truth is, Britain hasn’t always been too far from ditching the Crown altogether. There have been a handful of moments when republicanism wasn’t just some fringe idea—it was a very real possibility. Whether driven by civil war, radical reformers or political missteps, these were the times when Britain stood at the edge of a constitutional overhaul.

Here are the most striking moments when Britain almost became a republic, and what stopped it from happening.

The execution of Charles I in 1649

If there was ever a time when Britain was a republic, this was it—briefly, and very uneasily. In 1649, after a long and bloody civil war between Parliament and the monarchy, King Charles I was tried and executed for treason. It was a staggering moment. The divine right of kings had been the bedrock of monarchy, and here was the king himself, publicly beheaded on a cold January day outside the Banqueting House in Whitehall.

What followed was the establishment of the Commonwealth of England, later the Protectorate under Oliver Cromwell. For over a decade, there was no king, at least not officially. But Cromwell wasn’t much of a republican in practice. He ruled as “Lord Protector”, lived in royal palaces, and was even offered the crown. The monarchy had been abolished, but the power structure had merely shifted. When Cromwell died in 1658, everything quickly unravelled, and by 1660, the monarchy was restored under Charles II.

Still, the regicide of 1649 showed that monarchy wasn’t invincible, and that a republican Britain was entirely possible, if only temporarily.

The Glorious Revolution of 1688

This wasn’t a revolution in the usual sense in that there were no guillotines or barricades, but it was still a dramatic overhaul of the monarchy’s role. In 1688, Parliament invited William of Orange to invade and depose James II, whose Catholicism and autocratic tendencies had alienated much of the political elite. William and his wife Mary (James’s Protestant daughter) were offered the throne, but only on Parliament’s terms.

This was the moment Britain became a constitutional monarchy in earnest. The Bill of Rights in 1689 placed real limits on royal power, ensuring that future monarchs could no longer rule without Parliament. Some republicans saw this as a lost opportunity since the king had been ousted, and Parliament was in control. But the compromise with William and Mary meant the Crown would survive, albeit in a weakened state.

In short, it was a revolution with a safety net—change without complete upheaval. Britain could have gone full republic, but opted for a tighter leash on the monarchy instead.

The rise of radical republicanism in the 1790s

The French Revolution sent shockwaves through Europe, and Britain was no exception. For some, it was terrifying. For others, it was thrilling. Radical thinkers and writers like Thomas Paine began to openly question whether monarchy was necessary at all. His 1791 book The Rights of Man sold tens of thousands of copies and made a bold case for democracy and social reform.

At the same time, new societies popped up across the country—the London Corresponding Society, the Sheffield Society for Constitutional Information—calling for universal suffrage and an end to hereditary privilege. The government didn’t take kindly to any of it. Paine was charged with seditious libel in absentia. Meetings were banned, leaders arrested, and radical newspapers shut down.

The monarchy, in many ways, was saved by fear—fear of revolution, fear of the guillotine, and fear that Britain’s social order would collapse just as it had in France. The establishment cracked down hard, and republicanism went underground for another generation.

The Chartist movement of the 1830s and 1840s

The Chartists weren’t republicans in name, but they were certainly part of the same wider tradition. Their demands, such as universal male suffrage, annual parliaments, and votes by secret ballot, aimed to strip political power away from the elite and put it into the hands of ordinary working-class people. Implicit in that was a challenge to the idea that power should be hereditary.

The movement peaked in 1848, the same year revolutions were breaking out across Europe. A massive Chartist petition was delivered to Parliament, with claims of six million signatures. It was dismissed out of hand. While some in the movement were still loyal to the Crown, others began to question the entire structure of British government, especially when it was so resistant to change.

Although the monarchy survived the Chartist years intact, the fear in elite circles was very real. The Queen was sent out of London during mass protests. Troops were stationed in Hyde Park. And the royal family knew they couldn’t take public approval for granted.

The death of Prince Albert in 1861 and Queen Victoria’s withdrawal

It might not sound like an obvious political flashpoint, but the death of Prince Albert plunged Queen Victoria into deep mourning, and created a growing unease about the monarchy’s relevance. She retreated from public life almost entirely, rarely seen in London, barely participating in ceremonial duties.

The public started to grumble. Newspapers asked why the Queen was being paid so much to do so little. Republican newspapers like The National Reformer and The Republican gained traction. Politicians like Charles Bradlaugh openly called for the monarchy to be abolished.

It never reached crisis point, but it was a telling moment. Without a visible monarch, the public’s attachment to the Crown began to fray. Only Victoria’s gradual re-emergence, paired with the patriotic fervour surrounding her later jubilees, restored some of the monarchy’s prestige. Still, it showed how quickly public sentiment could shift.

The abdication crisis of 1936

This was arguably the 20th century’s closest brush with republicanism. When Edward VIII announced he would marry Wallis Simpson, an American divorcée, it set off a constitutional crisis. The government was clear: he couldn’t remain king and marry her. Edward chose love over duty and abdicated the throne.

For a brief moment, it raised a huge question: if the monarchy could be upended by one man’s personal choices, was it really fit for purpose? There were even calls, albeit limited, for scrapping the monarchy altogether and moving to a more democratic head of state.

The crisis was defused (and the monarchy preserved) by bringing in the far more steady and dutiful George VI, Edward’s brother. But the scandal left a dent, and some never quite forgave the royal family for what felt like a soap opera rather than a national institution.

Post-war austerity and the question of cost

In the 1940s and 1950s, with Britain reeling from war, rationing still in effect, and the empire crumbling, some began to ask: do we really need a monarchy right now? The idea wasn’t just ideological, it was practical. The cost of supporting a royal family felt, to many, like an outdated expense.

Republican sentiment didn’t explode, but it simmered. Politicians debated royal finances more openly. When Princess Elizabeth became Queen in 1952, her coronation was lavish, and not without its critics. Still, the monarchy weathered it all, helped along by a booming post-war economy and a media landscape that, for the most part, still treated royalty with reverence.

But the idea that monarchy might be too expensive—or too out of touch—started to take root.

The Diana years and the monarchy’s modern crisis.

By the 1990s, public trust in the royal family had taken a serious hit. The marriages of Charles and Diana, and Andrew and Sarah Ferguson, had collapsed very publicly. The Queen’s so-called annus horribilis in 1992 saw Windsor Castle catch fire and the royal family’s image go up in smoke.

But the real turning point was Diana’s death in 1997. The public’s grief was overwhelming, and the Queen’s initial silence felt cold. Republican sentiment surged. Some polls suggested public support for the monarchy had dropped to its lowest point in decades. The Guardian and The Independent ran pieces questioning the monarchy’s survival.

It took quick media manoeuvring, including Tony Blair’s now-famous “People’s Princess” speech, to help the royal family recover. But it was a warning. In a modern, media-driven world, royal mystique could be lost in an instant.

The future: Could it still happen?

Today, the monarchy survives, but not without criticism. After Elizabeth II’s death, King Charles III inherited the throne at a time when republicanism is again on the rise. Polls suggest younger generations are far less attached to the monarchy, and questions around relevance, accountability, and cost haven’t gone away.

The idea of a British republic no longer seems like a wild fringe fantasy. It’s a topic that comes up at party conferences, in university debates, and even on primetime telly. Whether it ever becomes reality is still unclear, but history shows us that the question has never quite gone away.

The British monarchy has survived wars, scandals, revolutions and royal missteps, but it’s never been unshakeable.

There have been real moments when the country almost took a different path. Whether it was Cromwell’s republic or the fallout from Diana’s death, the question of whether Britain should be a monarchy has never been fully settled. Republicanism in Britain has always been just a few wrong turns (or bold moves) away from becoming something much more real. And depending on what the future holds, it still might be.