The past has no shortage of disastrous kings, queens, and other rulers; such a list could easily have been filled with the worst Roman emperors alone. Some have been homicidal, like Nero or Genghis Khan; simply incompetent, like Edward II; completely untrustworthy, like Charles I; or amiable but inadequate, like Louis XVI of France.

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But who are truly the worst, and why? Jonny Wilkes makes the case against 16 rulers from history…


A medieval battle scene shows armoured soldiers fighting with spears and shields, while two mounted knights dominate the centre and right. The figures wear ornate gold-and-black armour, and richly decorated horses move through the fray. Stone buildings and a towered structure rise in the background.
King Tarquin and his family were expelled from Rome in 509 BC, paving the way for the creation of the Roman Republic (Image by Getty Images)

1. Lucius Tarquinius Superbus

King of Rome, 534–509 BC

Before Rome had emperors, it had a line of kings going back to the city’s mythical founder, Romulus. The last, however, presided over a reign of terror so bad that the people gave up on the monarchy altogether, heralding the dawn of the Republic.

Lucius Tarquinius Superbus (commonly known as ‘Tarquin the Proud’) had seized the throne by planning the assassination of his own father-in-law, then once in power he killed senators on a whim and imprisoned or executed anyone suspected of disloyalty.

His undoing came when his son raped a noblewoman, which caused such outrage that a revolt broke out that saw the tyrannical king overthrown and exiled. In his doomed attempts to regain the throne, he persuaded neighbouring cities to attack Rome, seemingly unfazed by the damage this would do to his erstwhile kingdom.


An illustration shows a person in a fur garment and sandals lifting a club to strike a bear that rears up on its hind legs with claws extended. They stand in an enclosed arena-like space.
A 19th-century image depicts Commodus fighting a bear. The emperor is best known today as the main antagonist in the 2000 blockbuster Gladiator (Image by Getty Images)

2. Commodus

Roman emperor, 177–92 AD

There are a number of contenders to the title of ‘most despicable emperor of Rome’, so we could just as easily be discussing the cruel and murderous rules of, say, Nero and Caligula.

The bloodthirsty, vainglorious spendthrift, Commodus, however, went from inheriting an empire enjoying a long period of peace and prosperity, the Pax Romana, to leaving it broke and in turmoil. If not executing anyone he suspected of plotting against him, he was leaving the job of ruling the empire to a series of corrupt, cruel and incompetent favourites. He much preferred to fight as a gladiator, relishing in slaughtering a menagerie of animals in the arena.

No wonder, then, that Commodus was chosen as the villain in Ridley Scott’s swords-and-sandals masterpiece, Gladiator.


A medieval illustration shows a crowned figure in red robes signing a document at a table covered with an ornate cloth, while knights, clerics, and noblemen stand around under a canopy. A grassy landscape with tents and figures appears behind them.
A fanciful illustration depicts King John signing the Magna Carta at Runnymede. In reality, the charter was authenticated with his royal seal (Image by Getty Images)

3. John

King of England, 1199–1216

Seriously, how could the arch-villain of Robin Hood not make an appearance? Beyond the tale of the fabled outlaw, John severely damaged the authority of the English monarchy. As a prince, he angered the nobles of Ireland and attempted to steal his brother Richard I’s crown, only ending up as king after Richard died without a legitimate heir. Notably, he also managed to outmanoeuvre a rival claim from his nephew, Arthur of Brittany, whom he is later believed to have had murdered.

Within a few years in power, John had lost Normandy – the foundation of his family’s Angevin empire on the continent – then he emptied the kingdom’s coffers trying to win it back. His oppressively high taxes, his clashes with the church and his cruel and conniving personality all led to a revolt of England’s barons.

Under threat of civil war, John was forced to seal Magna Carta, a historic document that limited royal power. He then proceeded to ignore it. The barons rose up again and John’s reign ended, dying of dysentery, as he fought to keep hold of his kingdom.


An emperor in elaborate robes and a crown sits composed on a throne between patterned pillars, while attendants in similar ceremonial clothing move hurriedly across the foreground. Smoke or swirling shapes fill the space, and broken pottery pieces lie near the throne, adding to the sense of disruption.
An illustration depicts Emperor Aizong on his throne during the Mongol siege of Caizhou. The ruler’s death led to his general, Wanyan Chenglin, taking power – albeit very briefly (Image by Getty Images)

4. Wanyan Chenglin

Emperor of the Jin dynasty, 1234

On 9 February 1234, with the warriors of the Mongol empire besieging the city of Caizhou, the emperor of the Jin dynasty in China, Aizong, knew that his 10-year reign would be over shortly. That said, he did not want to be the last in his line, so he abdicated and passed the throne to his general, Wanyan Chenglin, before taking his own life.

The reluctant new emperor began a reign that would be doomed to last just a matter of hours. He was killed leading his soldiers in a last stand when the Mongols broke through the city walls.


A medieval manuscript illustration shows a crowned figure in red robes seated inside a small architectural chamber, gesturing toward several figures in long white robes standing outside. The scene is set against a patterned gold and red background with a decorative border
Charles II of Navarre harangues a crowd of angry Parisians. The monarch’s abysmal leadership earned him the name ‘Charles the Bad’ (Image by Getty Images)

5. Charles the Bad

King of Navarre, 1349–87

The name gives away why he belongs on this list, doesn’t it? Charles earned ‘the Bad’ for his duplicitous and treacherous behaviour in the Hundred Years’ War between England and France. Although King of Navarre in Spain, he owned a lot of land in northern France, which put him in the middle of the conflict, and his response was to keep flipping sides.

Driven solely by ambition, he believed he should be on the French throne, and he plotted and murdered to get it. All the while, Navarre went ignored. What made him truly bad, though, was that his schemes failed utterly. Charles is perhaps best-known today for his grisly end in 1387, when the brandy-soaked sheets he had been wrapped in to cure an illness accidentally caught fire, burning him alive.


A painted portrait shows a person wearing a dark garment with a white collar and a gold chain decorated with jewels and a cross‑shaped pendant. They wear a dark cap, set against a reddish background.
Henry VI’s disastrous rule led to the outbreak of the Wars of the Roses, during which he lost his throne twice (Image by Getty Images)

6. Henry VI

King of England, 1422–61, 1470-71

Ascending the throne of England as an infant and the son of the hero of Agincourt, the young Henry VI was always going to struggle to live up to his dynastic legacy.

Not helped by his total lack of leadership, it went even worse than feared: he lost control of France (won by his father Henry V), suffered a mental breakdown, and saw his kingdom plunge into the Wars of the Roses. The Lancastrian cause would be headed not by the king, but his queen, Margaret.

Henry’s role amounted to being kicked off the throne by the Yorkist Edward IV, then placed back on it by the ‘kingmaker’, the Earl of Warwick, and finally losing it again after being captured.


A rustic stone-walled room is lit softly as an older person with grey hair stands behind a carved wooden chair. Another figure in dark Renaissance-style clothing with puffed sleeves and a hat leans on a round table set with a pewter jug, a cup, and a plate holding a small piece of food. A large ceramic jug rests on the floor, and behind them is a bed draped in red and white fabric with shelves holding household objects.
Christian II spent the last 27 years of his life under lock and key, as shown in this 1871 painting by Carl Bloch (Image by Getty Images)

7. Christian II

King of Denmark and Norway, 1513–23

Christian’s reign may seem more insignificant than terrible at first glance, but it signalled the end of the Kalmar Union, which had bound together the Scandinavian countries of Denmark, Norway and Sweden for well over a century. Having been crowned in the first two of those countries in 1513, he set out to secure the third.

It would not be until 1520 that he captured Stockholm, although, hardly magnanimous in victory, his immediate action was to execute 82 nobles. The so-called Stockholm Bloodbath fuelled a Swedish rebellion against Christian and weakened his authority back in Denmark and Norway.

He was overthrown and exiled, and then when he launched a desperate bid to win back his thrones by force, he was imprisoned for the rest of his life.


A painted portrait shows a ruler wearing richly decorated robes and a tall, jeweled crown, holding a golden scepter in one hand and an orb topped with a cross in the other. The background is dark, highlighting the elaborate attire.
No one was safe from Ivan the Terrible – he is even said to have murdered his own son in a fit of rage (Image by Getty Images)

8. Ivan the Terrible

Tsar of Russia, 1547–84

As the first tsar, Ivan was in some ways an able ruler since he laid the foundations of the Russian empire. He became known as ‘the Terrible’ for a reason, though. Having hated the nobles from an early age (at 13, he had one fed to a pack of dogs), he wasted no time in purging the upper classes.

The domain he inherited clearly was not enough: he instigated numerous, and disastrous, wars of expansion, and even established his own fiefdom within his land where, essentially, anything went. With Ivan prone to paranoia and fits of rages, no one was safe: he ordered a full-on attack on one of his own cities, Novgorod, and beat his daughter-in-law into having a miscarriage, then murdered his son.


A formal portrait shows a man in dark, gold‑detailed armour with a white ruffled collar, holding a baton and resting his other hand on a decorated sword. He stands beside a red‑covered table with a feathered hat, against a backdrop of patterned gold‑and‑red drapery.
Holy Roman Emperor Rudolf II depicted c1580. Critics of Rudolf’s rule claim that he spent more time dabbling in the arts than governing his vast domain (Image by Getty Images)

9. Rudolf II

Holy Roman Emperor, 1576–1612

Despite being hailed as a generous patron of the arts and sciences, Habsburg emperor Rudolf II utterly failed in his role as the leader of one of Europe’s major powers. Rather than focusing on politics and administration, he instead shut himself away to focus on personal pursuits like alchemy.

When he did show some determination – starting a war with the Ottoman empire to unify Christendom – it proved a disaster. His subjects in Hungary revolted and his family made him hand over power to his younger brother.

Rudolf’s most damning legacy, however, was that his miserable tenure as emperor has been blamed as one of the causes of the Thirty Years’ War, one of the bloodiest conflicts in history.


A formal portrait shows a man in a blue velvet coat with gold embroidery, a white waistcoat, lace cuffs, and a blue sash decorated with medals. He stands before red drapery with a cloudy sky in the background.
King Louis XV ruled France for nearly 59 years – but his time on the throne was marred by countless failures (Image by Getty Images)

10. Louis XV

King of France, 1715–74

It could certainly be argued that Louis XV’s status as a poor king of France was overshadowed by his successor, Louis XVI, since he was the one who lost his head in the French Revolution. Yet Louis XV’s reign sowed the seeds of the people’s discontent that would lead to such a violent rejection of the monarchy. In short, he was a deeply ineffectual ruler, let alone the all-powerful absolutist king that France had become accustomed to under Louis XIV.

Reports of corruption and handing over influence to his mistresses hurt the crown’s authority, while his wars and extravagant spending depleted the coffers. France became a less powerful nation under his rule, and smaller too: he gave up New France in the Americas after the disastrous Seven Years’ War.


A detailed 19th‑century ceremonial scene depicts royals and high‑ranking officials in elaborate uniforms and gowns assembled by a waterfront. Boats and sailors fill the foreground, while clergy, soldiers, and attendants stand nearby. A grand architectural building rises in the background.
A painting shows Ferdinand VII greeting the French Duke of Angoulême, whose 1823 invasion of Spain – ordered by fellow Bourbon Louis XVIII – restored Ferdinand’s absolutist authority after three years of constitutional rule (Image by Getty Images)

11. Ferdinand VII

King of Spain, 1808, 1813–33

Shortly after taking the throne in 1808, Ferdinand handed over his kingdom – and himself – to Napoleon Bonaparte. Six years of captivity in France later, he returned with a need to prove his absolutist credentials and so ditched Spain’s liberal constitution that had been written in his absence. This led to multiple uprisings, notably the revolt of 1820, which ushered in three years during which the king was forced to accept a constitutional regime.

While more selfish than monstrous, Ferdinand’s legacy and place on this list were confirmed by two things: he oversaw the loss of nearly all of Spain’s colonial territories in the Americas and, following his death, his petty bid to exclude his brother from the succession resulted in a long civil war.


A portrait shows a person in a long pink gown with ruffled trim and a red, gold‑edged cape, standing outdoors with a jeweled crown on their head. They hold a white handkerchief, with trees and distant hills behind them.
It is said that Queen Ranavalona wanted to create a pair of giant scissors to cut her enemies in half (Image by Getty Images)

12. Ranavalona I

Queen of Imerina, 1828–61

To try and hold back the wave of European colonisation in Africa, Queen Ranavalona I, of modern-day Madagascar, would go to any lengths. She wanted to purge all foreign influence, expelling missionaries, persecuting Christians and restricting trade. She even tried to have a giant pair of scissors made so that she could literally chop foreigners in half.

The ones who suffered the most, however, were her people: to preserve her land’s self-sufficiency and way of life, as she saw it, Ranavalona used forced labour for her royal projects and fear to maintain order.

Many executions took the form of the tangena ordeal, a witch-hunt-style trial where the accused was made to ingest poison and if they showed any adverse effects, they were deemed guilty. It is claimed that as much as 50 per cent of the population perished during her rule.


A political cartoon depicts a person trapped in the coils of a large red snake whose head is drawn as a crowned man. Another figure stands in the background near vegetation and a hut.
A satirical cartoon from Punch magazine depicts King Leopold II as a snake, viciously attacking a Congolese rubber worker (Image by Getty Images)

13. Leopold II

King of the Belgians, 1865–1909

Leopold II may not have been a terrible king in Belgium itself, but with the Congo Free State, he revealed just how much of a monster he could be. In 1885, he created his own state in central Africa, having convinced European powers that he intended to improve the lives of the people living there.

In reality, this privately owned kingdom allowed Leopold to exploit the Congolese people so that he could make money from its ivory and natural rubber reserves. Under his system of forced labour, any workers who failed to meet their quotas would be punished with mutilation. Leopold’s preferred method was chopping off hands and feet. Millions died from the brutality and rampant diseases.

This was an age where European empires carved up and exploited the African continent, so the fact that international outrage finally forced Leopold to hand over the Congo Free State illustrates the appalling extent of the atrocities.


A black‑and‑white photograph shows a person seated on an ornate chair, wearing a turban, a long decorated robe, and sandals, with a curved dagger at the waist. A patterned carpet and cushioned bench appear behind them.
The Anglo-Zanzibar War – which lasted for just 38 minutes – put Khalid ibn Barghash’s three-day rule to an end

14. Khalid ibn Barghash

Sultan of Zanzibar, 1896

Not only did Khalid ibn Barghash rule for just three days, but he was ousted in the shortest war in history. So, in truth, there is no knowing whether he would have been a bad ruler: there wasn’t enough time. In 1896, the sultan of Zanzibar died, which put the British in a tough position. They controlled the islands off the east African coast as it served as a strategic trade post for the Indian Ocean.

Against British wishes, Khalid, who may well have killed his predecessor, assumed the role of sultan and fortified the palace with around 3,000 supporters. The British sent warships, though, and initiated a brief bombardment. The Anglo-Zanzibar War lasted around 38 minutes, and Khalid fled into exile.


A historical black‑and‑white photograph depicts two officers in peaked caps, boots, and decorated uniforms standing on a grassy field and speaking to one another. Behind them, other officers gather in small groups, and a horse‑drawn carriage or artillery piece sits near the tree line.
Tsar Nicholas II (right) addresses a Russian officer during the First World War. The Romanov ruler was overthrown in 1917 and murdered alongside his family the following year (Image by Getty Images)

15. Nicholas II

Tsar of Russia, 1894–1917

The Romanov dynasty ruled Russia for more than 300 years – and it all ended during the reign of Nicholas II. Not suited to wielding autocratic power over a huge empire, he made a catalogue of errors and refused to adapt beyond his rigid belief that he had the divinely ordained right to rule.

In 1905 alone, Russia lost a war with Japan and broke out in revolution, yet Nicholas only made cursory changes and tried to move on. His court became dominated by the strange and ambitious mystic, Rasputin, his nobles and politicians abandoned him, and his decision to take command of the armies in the First World War meant that he was held personally responsible for every defeat and death.

Revolution erupted again in 1917, forcing his abdication. While imprisoned by the revolutionaries, Nicholas and his entire family were murdered. It was a bloody and definitive end to the tsars, as Russia became a communist regime.


A black‑and‑white photograph shows three people standing side by side outdoors: a man in a military uniform with insignia, a man in a long overcoat and tie, and a person in a dark coat and hat. A building with shuttered windows appear behind them.
The Duke and Duchess of Windsor (formerly Edward VIII and Wallis Simpson) pictured with Adolf Hitler, 1937. The couple’s meeting with the Führer proved highly controversial (Image by Getty Images)

16. Edward VIII

King of England, 1936

Edward became king on 20 January 1936, on the death of his father George V. Before the year was out, he had abdicated in disgrace. His brief reign had entirely been focused on his wish to marry an American named Wallis Simpson, but she had been divorced once and was seeking a second, making her wholly unacceptable to the royal family, the political establishment and the church.

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Yet his reputation as a bad monarch could have been even worse had he stayed: Edward has long been accused of being a Nazi sympathiser, who toured Hitler’s Germany almost two years before the Second World War.

Authors

Jonny WilkesFreelance writer

Jonny Wilkes is a former staff writer for BBC History Revealed, and he continues to write for both the magazine and HistoryExtra. He has BA in History from the University of York.

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