The art of the grudge

When ambition turns toxic: The 10 most explosive rivalries of all time


Published on April 1, 2026


Image: heikohc

History isn’t just a dry timeline of treaties and discoveries; it is a messy, vibrant, and often blood-soaked record of human ego. From the royal courts of England to the film sets of Hollywood, some of the world's most significant progress—and destruction—has been fueled by individuals who simply could not stand one another. Would you like to know more about 10 feuds born of political ambition, sibling rivalry, and corporate greed? Tune in now!

1

The House of York vs. The House of Lancaster

Image: Abraham Cooper, Public domain, via Wikimedia Commons

Way before Game of Thrones became a hit TV show, there was a real-life bloodbath known as the Wars of the Roses. This 15th-century dynastic struggle pitted two branches of the royal House of Plantagenet against each other: the Lancasters (symbolized by a red rose) and the Yorks (a white rose).

For thirty years, the English throne was a revolving door of kings, marked by brutal battles and Shakespearean betrayals. The feud finally ended when Henry Tudor (a Lancaster) defeated Richard III (a York) at Bosworth Field, marrying Elizabeth of York to unite the houses and birth the Tudor dynasty.

2

Alexander Hamilton vs. Aaron Burr

Image: Internet Archive Book Images, Public domain, via Wikimedia Commons

In the early days of the American Republic, politics wasn’t just a war of words, it was a matter of honor. Alexander Hamilton and Aaron Burr were both brilliant, ambitious men, but Hamilton spent years systematically undermining Burr’s career, calling him "dangerous" and "unprincipled."

The tension boiled over after the 1804 New York gubernatorial election. Burr, tired of Hamilton’s constant sabotage, challenged him to a duel. On the heights of Weehawken, New Jersey, Burr fired the shot that ended the life of the First Secretary of the Treasury. While Burr survived, his political reputation never did.

3

Nikola Tesla vs. Thomas Edison

Image: Photographer: Dickenson V. AlleyRestored by Lošmi, Public domain, via Wikimedia Commons

This wasn't just a personal spat, it was ultimately called the War of Currents. Thomas Edison, the "Wizard of Menlo Park," had bet his fortune on Direct Current, while his former employee, the eccentric genius Nikola Tesla, championed Alternating Current.

Edison went to extreme lengths to discredit Tesla and his financier, George Westinghouse, even orchestrating public electrocutions of animals to "prove" Alternating Current was dangerous. However, physics was on Tesla's side. Alternating Current could be transmitted over long distances far more efficiently than Direct Current. Today, when you flip a light switch, you’re seeing the legacy of Tesla’s victory in one of history’s greatest scientific rivalries.

4

The Hatfields vs. The McCoys

Image: Suleman Serwar

The definitive American family feud took place in the Appalachian backcountry along the West Virginia-Kentucky border. What started as a lingering bitterness from the Civil War and a dispute over a stolen pig spiraled into a decade of surprise attacks, arson, and murder.

By the time the violence peaked in the 1888 "New Year’s Massacre," dozens had been killed or imprisoned. It took over a century for the families to officially sign a truce, proving that some grudges are written into the very DNA of a community.

5

Joseph Pulitzer vs. William Randolph Hearst

Image: Uploader Hasanov Jasurbek, Public domain, via Wikimedia Commons

In the late 1890s, the battle for the attention of New Yorkers gave birth to Yellow Journalism. Joseph Pulitzer (New York World) and William Randolph Hearst (New York Journal) competed to see who could print the most sensational, lurid, and often fabricated headlines.

Yet, this seemingly frivolous feud actually had geopolitical consequences. Both men used their papers to drum up pro-war sentiment during the Spanish-American War to boost circulation. Their race to the bottom changed the media landscape forever, teaching us that when news becomes a weapon in a personal rivalry, truth is usually the first casualty.

6

Bette Davis vs. Joan Crawford

Image: Warner Bros. Studios, Public domain, via Wikimedia Commons

Hollywood’s most legendary "mean girl" feud was a masterclass in professional sabotage. These two powerhouse actresses spent decades trading insults and competing for roles. Their rivalry was so famous that it was leveraged for the 1962 film What Ever Happened to Baby Jane?

On set, Crawford reportedly put weights in her pockets during a scene where Davis had to drag her, just to hurt Davis's back. When Davis was nominated for an Oscar for the film, and Crawford wasn't, Crawford contacted the other nominees and offered to accept the award on their behalf if they won, which she did, just to spite Davis.

7

Al Capone vs. George "Bugs" Moran

Image: United States Bureau of Prisons, Public domain, via Wikimedia Commons

Prohibition-era Chicago was a chessboard, and Capone and Moran were the two most violent players. Capone’s Italian "Chicago Outfit" and Moran’s "North Side Gang" fought a bloody turf war for control of the city’s illegal booze trade.

The feud reached its horrific climax on February 14, 1929, with the St. Valentine’s Day Massacre, where Capone’s men, dressed as police, gunned down seven of Moran’s associates. Moran famously remarked, "Only Capone kills like that." Though Moran escaped the massacre, the event effectively broke his power and marked the beginning of the end for the gangland wars of the 1920s.

8

The Dassler Brothers (Adidas vs. Puma)

Image: Here, Public domain, via Wikimedia Commons

You might recognize these as sportswear giants, but they began as a bitter rift between two brothers, Adolf ("Adi") and Rudolf ("Rudi") Dassler. After a mysterious fallout during WWII—legend says it involved a misunderstood comment in a bomb shelter—the brothers split their shoe company in 1948.

Adi formed Adidas, and Rudi formed Puma. The feud divided their hometown of Herzogenaurach so deeply that it became known as "the town of bent necks," because residents would look at a person’s shoes before deciding whether to speak to them. The brothers were buried at opposite ends of the local cemetery, never having reconciled.

9

Ernest Hemingway vs. F. Scott Fitzgerald

Image: National Archives and Records Administration, Public domain, via Wikimedia Commons

The two titans of "The Lost Generation" started as friends, but their relationship devolved into a toxic mix of jealousy and judgment. Hemingway, who prized masculine"stoicism, mocked Fitzgerald for his perceived weakness and his turbulent marriage to Zelda.

In his memoir A Moveable Feast, Hemingway took several posthumous jabs at Fitzgerald’s character and talent. Fitzgerald, meanwhile, was both awed and intimidated by Hemingway’s success. It was a rivalry of the pen where mutual admiration was eventually smothered by the crushing weight of their respective egos.

10

Olivia de Havilland vs. Joan Fontaine

Image: Macfadden Publications, Inc.; Selznick International Pictures, United Artists, Public domain, via Wikimedia Commons

The only thing more intense than a professional feud is a sibling one. These two Oscar-winning sisters didn't speak for the last 38 years of Fontaine’s life. The friction began in childhood but went nuclear when they were both nominated for Best Actress in 1942.

Fontaine won, and when de Havilland later won her own Oscar, she famously snubbed Fontaine’s attempt to congratulate her backstage. They disagreed on everything from their mother's medical care to who deserved the most fame. It remains the most enduring and frosty sibling rivalry in the history of the arts.


BELIEVE IT OR NOT

Stranger Than Fiction: 10 Unbelievable Events That Actually Happened


Published on April 1, 2026


Image: Diana van Ormondt

They say truth is stranger than fiction, and some of these historical events are living proof of this old adage.

Brace yourself for a rollercoaster ride through history, where the strange and unexpected take center stage in the theater of reality. From absurd battles to mysterious weather phenomena, these 10 astonishing tales will leave you thinking long and hard about the complexities of human history.

1

The Great Emu War

Image: Sharon Co Images

Wars are typically waged between nations, but in 1932, Australia faced an unusual adversary: emus. After large numbers of these flightless birds invaded crucial farmland within Western Australia’s Wheatbelt, the government decided to intervene by sending soldiers armed with machine guns to reduce the emu population in the area. However, most attempts were ineffective at most, killing very few birds and costing thousands of dollars in supplies and ammunition.

As soon as the first shot was fired, the seemingly tame emu dispersed way beyond the range of the machine guns, and apparently switched to guerrilla tactics of sorts, avoiding all further military ambushes and frontal attacks while still feasting on the farmer’s crops. The government’s futile attempts were ridiculed and physical barrier methods to manage wildlife were preferred from then on. Sadly, they give no medals for having endured the Great Emu War.

2

The Dancing Plague

Image: Hannah Skelly

In 1518, the town of Strasbourg, France, was gripped by a strange and inexplicable phenomenon - people suddenly began dancing uncontrollably in the streets. The dancing madness persisted for weeks, with some of the affected succumbing to exhaustion or even death. The authorities at the time did not know how to react, and some people even joined the dancers voluntarily, as they feared it was a punishment from Saint Vitus (and presumably wanted to stay on the safe side).

After many efforts to fight the strange epidemic, the dancing eventually subsided and people in the town could resume their normal lives. While theories range from mass hysteria to hallucinogenic substances and neurological disorders like Sydenham's chorea, the event remains a historical enigma that challenges our understanding of the human mind and collective behavior.

3

The Tunguska Explosion

Image: Nima Sarram

In 1908, a massive explosion flattened over 80 million trees in the remote Tunguska region of Siberia. The cause? A mysterious airburst, likely caused by the explosion of a meteoroid or comet in Earth's atmosphere. It is now estimated that the event had an explosive energy of 3 to 5 megatons, equivalent to over a thousand Hiroshima bombs. The resulting shockwave broke windows, and knocked people down hundreds of miles away, reaching an equivalent of an earthquake of 5.0 on the Richter scale in some areas.

A bright glow was observed in night skies in Asia and Europe for days after the event due to high-altitude ice particles that formed as a result of the explosion. For all its magnitude, the explosion left no visible crater and minimal debris beside the devastated forest. The Tunguska Event serves as a stark reminder of the potential cosmic threats that lurk in the darkness of space.

4

The Battle of Karánsebes

Image: British Library

Miscommunication can often lead to chaos, but rarely on the scale witnessed in the Battle of Karánsebes in 1788. The Austrian army, at the time facing the Ottoman Empire, descended into total anarchy when two different scouting parties mistook one another for the enemy, fired on each other, and raised the alarm.

Making matters worse, the Austrian army was made of men of different nationalities who more often than not could not understand each other. All attempts to end confusion and the ensuing friendly fire on the part of the Austrian emperor himself were in vain, and after a while - deeply demoralized - he was forced to give the order of retreat. When the Ottoman army arrived two days later, they found an empty battlefield and were able to take the city of Karánsebes without any resistance.

5

Napoleon defeated by bunnies

Image: Aswathy N

In 1807, eight years before Waterloo, Napoleon Bonaparte had a humiliating defeat at the hands of a strange opponent - a horde of rabbits. During the celebrations that followed the Treaties of Tilsit - which effectively ended the war between the French and Imperial Russia - Napoleon’s chief of staff Alexandre Berthier had the idea of organizing a rabbit hunt to entertain its guests.

So far, nothing out of the ordinary for the time, but when the rabbits were simultaneously freed along the edges of a grassy field, instead of scattering as expected, all these fluffy beasts began running toward their amused hunters. But the fits of laughter didn’t last long, as the now-hunted hunters realized that there was nothing they could do to stop the relentless animals as they swarmed their positions and had no other choice than to flee. Some accounts state that Berthier had gathered around 3000 rabbits, so not even mighty Napoleon was a match for this unexpected army.

Apparently, the chief of staff's mistake was buying tame rabbits from local farmers, accustomed to being fed by humans, instead of trapping wild hares for the hunt. If we learned anything from the Great Emu War, the lesson is clear: never underestimate animals!

6

The year without a summer

Image: Mitsuo Komoriya

In the aftermath of the eruption of Mount Tambora in Indonesia - the largest in at least 1,300 years - 1816 became known as the "Year Without a Summer." The volcanic ash floating in the atmosphere led to climate abnormalities worldwide, resulting in crop failures and widespread famine in the most affected areas.

In Europe and North America temperatures plummeted, and most crops suffered irreparable damage due to the persistent frost. In the United States, a "dry fog" was observed in the eastern regions, dimming sunlight so much that sunspots were visible to the naked eye. Also, the high level of volcanic particles present in the atmosphere caused strange optical effects in the following years, such as strong red hues during sunsets, which can be observed in many paintings produced at the time.

7

Caligula’s War on Neptune

Image: Tiana Attride

It seems that wars against unusual adversaries are a fashionable trend in human history because the Roman Emperor Caligula declared war in the year 40 AD on no one other than the god Neptune himself, king of the raging seas.

Known for his eccentricity, Caligula allegedly ordered his legionnaires to "attack" the sea with swords and spears, after which he declared victory against the powerful god and told the men to gather seashells as trophies of war. One can only imagine that the soldiers had a fun -albeit puzzling- day.

8

Pepsi’s naval power

Image: Tim Mossholder

In the late 1980s, Pepsi briefly possessed the sixth-largest navy in the world. In exchange for commercializing Pepsi products in the Soviet Union, the company received 17 submarines, a cruiser, a frigate, and a destroyer.

However, the fleet was composed of obsolete and unseaworthy vessels that were destined to be turned into scrap almost immediately. The payment was made in the only resources the USSR could gather easily at the time, and it provided a way to establish profitable international relations - and open up to the world.

9

Followed by the Civil War

Image: Garry T

The American Civil War started and concluded with a curious connection to Wilmer McLean, an American wholesale grocer from Virginia. The conflict's first major battle, the First Battle of Bull Run, took place in McLean's farm in 1861. A cannonball fell directly through the kitchen fireplace of the McLean’s house, which was being used as headquarters for the Confederate Army, destroying the dinner that was being prepared by the stationed officers - something that was noted not without humor by the Brigadier General P. G. T. Beauregard.

The McLean family moved to Appomattox, Virginia trying to escape the war, but just four years later, General Robert E. Lee surrendered to General Ulysses S. Grant in McLean's parlor, marking the conclusion of the Civil War. Unintentionally, McLean was a prime witness of one of America’s most defining conflicts. Later, he said of this: "The war began in my front yard and ended in my front parlor."

10

Genghis Khan fought against global warming

Image: Snowscat

Genghis Khan's vast empire and brutal military campaigns had an unexpected impact on the Earth's climate. A recent study suggests that the Mongol invasions in the 13th century led to a significant reduction in global carbon dioxide levels, as large areas of cultivated land returned to forests.

This had the unintentional effect of scrubbing as much as 700 million tonnes of carbon from the atmosphere, roughly equivalent to the global annual consumption of gasoline today. This drastic ecological shift highlights the effect that land use, and particularly deforestation can have on our planet at a large scale.

Looking for an extra scoop of literary fun?

Learn more with our Word of the day

emanate

/ˈɛməˌneɪt/