You have seen the footage.
A crowd somewhere in Tehran. Fists in the air. American flags burning. A cleric at a microphone. Thousands of people shouting three words that require no translation:
Death to America.
The footage needs very little narration.
Iran hates us.
Iran is irrational.
Iran is run by religious fanatics.
Iran wants to kill Americans.
And if you are an American of roughly my generation, Iran has existed in your political consciousness almost entirely in that form. The Ayatollah. The hostages. Hezbollah. Nuclear enrichment. That chant.
It is an extraordinarily effective picture.
One quick note before I go further, because somebody will raise it otherwise. The chant is Marg bar Amrika. “Death to America” is the literal rendering; “Down with America” is the idiomatic one, and Iran’s own official English translations generally use the softer version. I’ll take that dispute apart properly in a later installment. For now, just know it exists.
Here is the actual problem with the picture.
The movie starts halfway through.
Why This Is Not a History Lesson
Before we go back to 1901, look at what is happening this month.
Iran has been trying to assert control over the Strait of Hormuz — warning commercial vessels to use preapproved routes, follow protocols set by Tehran, and eventually pay fees to pass. It has fired on ships that didn’t comply. The United States has responded with strikes, and Trump has floated declaring Hormuz American territory.
Meanwhile the Treasury Department is running something it calls Operation Economic Outcast: roughly sixty designations against brokers, companies and shadow-fleet vessels moving Iranian oil across the UAE, Hong Kong, China, Singapore, Switzerland and Europe. The stated objective is to sever every economic lifeline sustaining the regime until Tehran stands alone.
Tankers. Insurance. Shipping routes. Payment systems. Market access.
Hold that list.
Because in 1951, every single item on it was pointed the other way — at Iran, by Britain, for exactly the same purpose.
I am not saying America is Britain. I am not saying the Islamic Republic is Mosaddegh’s government. Those are different regimes with different conduct and I’m not going to pretend otherwise.
I am saying the weapon is the same weapon.
And the first country it was ever used against, at industrial scale, was Iran.
Before Iran Was Iran
At the beginning of the twentieth century, Iran was still generally called Persia in the West.
An ancient civilization in an unfortunate location. Russia pressed down from the north. Britain controlled India to the east and cared intensely about the Persian Gulf to the south. Persia was formally independent, but great-power competition had made that independence largely theoretical. George Curzon, later Viceroy of India, had already described Persia in print as a piece on a chessboard in a game for the dominion of the world.
That wasn’t Iranian paranoia. That was imperial policy, published under an Englishman’s own name.
Then, in 1901, a British businessman named William Knox D’Arcy got one of the most consequential deals in modern Middle Eastern history.
For £20,000 in cash, another £20,000 in shares, and a promised 16 percent of annual net profits, the Persian government granted D’Arcy an exclusive petroleum concession covering most of the country for sixty years.
Most of Iran.
Sixty years.
The northern provinces were carved out because Russia considered them its own sphere. Britain regarded the south the same way.
Read that again, because it tells you everything about the world Iran was entering.
The question was not what does Persia want?
It was what will Russia tolerate? and what will Britain tolerate?
And somewhere underneath: what do the Persians get?
In 1908, D’Arcy’s venture struck oil at Masjed Soleyman. A year later the Anglo-Persian Oil Company was created. In 1935 it became the Anglo-Iranian Oil Company. Today you know its descendant by two letters.
BP.
But this was never simply a private company operating overseas. Britain was converting the Royal Navy from coal to petroleum, and in 1914 the British government bought a controlling interest. The relationship between company and state was complicated — the company kept real commercial independence — but Iranian oil was now tied directly to British national power.
Iran had discovered oil.
Britain had discovered Iranian oil.
Not the same thing.
The Renegotiation Nobody Remembers
November 1932. A cabinet meeting in Tehran.
Reza Shah — the founder of the Pahlavi dynasty, not the Shah Americans remember — walks in, chastises his court minister for failing to get anywhere with the British, and dictates a letter cancelling the oil concession outright. His own prime minister later recalled that the Shah called for the oil file and had it thrown into the stove.
That is the part of this story that gets skipped, and it matters more than almost anything else here.
Iran tried to fix this the normal way. Decades before Mosaddegh.
Reza Shah had spent four years negotiating with the company to revise the D’Arcy terms before he burned the file. The talks had failed. Britain took the dispute to the League of Nations. Pressure was applied.
And in 1933, Iran signed a replacement.
Look at what the replacement actually did.
It shrank the company’s operating area. It guaranteed a minimum annual payment. On paper, gains.
But Encyclopædia Iranica’s assessment is blunt: as a whole the new concession was not in Iran’s favor. It let the company pick the best 100,000 square miles. The guaranteed royalty was far too low. The company was exempted from import and customs duties. And Iran gave up its right to annul the agreement by legislation or administrative measure.
It also extended the original D’Arcy concession by another thirty-two years — pushing British rights out to 1993.
Iran cancelled a concession and came out the other side with a longer one.
Fourteen years after that, the finance minister who signed it was defending himself in the Majlis against charges amounting to treason. His defense was that he had signed under duress and the decision had never been his.
Remember this when somebody tells you Mosaddegh should have negotiated.
He was operating inside a country that had already watched what negotiation produced.
The Money
The center of this world was Abadan. The refinery there became one of the largest petroleum facilities on Earth.
Oil flowed. Ships sailed. Britain fueled itself. The company expanded.
And inside Iran, resentment grew.
Here is why, and these are the most important numbers in this piece.
By 1950, roughly 19 percent of the profits from the company’s Iranian operations went to Iran. The other 81 percent went to British interests — about 64 percent of that to His Majesty’s Treasury and about 16 percent to shareholders.
The British government was taking more out of Iranian oil in taxes than the Iranian government was taking in royalties.
From Iran’s own oil.
And when the Majlis oil committee asked to examine the books to verify Iran was even receiving the share its contract promised, the company refused.
That is the whole argument in miniature. Iran could not confirm it was being paid correctly, under a contract it had signed, by a company it could not audit, operating on its own soil.
American diplomats knew this. U.S. officials themselves acknowledged that Iranians believed Britain had used its economic position to influence Iranian internal affairs and that Iran had not received a fair share of petroleum income.
So this wasn’t invented later by revolutionary propagandists. The resentment was older than Mosaddegh. He just became its most effective expression.
By the late 1940s another comparison had become impossible to ignore. Venezuela had established fifty-fifty profit sharing in the 1940s. Saudi Arabia reached a comparable deal with ARAMCO in December 1950.
Iran wasn’t inventing a demand. Iran was late to one.
Enter Mohammad Mosaddegh
Mosaddegh doesn’t fit the later American story of Iran. That may be why most Americans know nothing about him.
He wasn’t an Ayatollah. He wasn’t a communist. He wasn’t calling for global Islamic revolution.
He was a wealthy, European-educated Iranian aristocrat with a doctorate in law who had served in government repeatedly and become the country’s most prominent constitutional nationalist. He was also theatrical — he conducted business from bed, appeared publicly in pajamas, wept during speeches, fainted. Western observers found him bizarre, and that made him easy to caricature later.
Eccentric is not the same as irrational.
His conviction was simple. Iran should govern Iran. Iranian oil should belong to Iran.
The Part I Am Not Going to Skip
Here is where the clean version goes: in March 1951, Iran’s parliament voted to nationalize.
True. Also incomplete.
On March 7, 1951, Prime Minister Haj Ali Razmara was shot dead at a Tehran mosque. Razmara had publicly counseled against nationalization. His killer belonged to Fada’iyan-e Islam, a militant religious group that had already assassinated other officials and would assassinate more.
Eight days later the Majlis voted to nationalize. Unanimously.
American intelligence connected the two directly. A March 16, 1951 assessment described the assassination and the ensuing uncertainty as direct results of the agitation for nationalization, and noted that a leading National Front cleric had been reported as implicated in an earlier assassination.
I’m not softening this. The nationalization vote happened in an environment that included the murder of the prime minister who opposed it, and threats circulated against Majlis members who might vote wrong. Mosaddegh didn’t order that killing and there’s no evidence he did. But his coalition contained men who did that sort of thing, and he did not break with them.
If you want the argument that Iran’s oil belonged to Iran — and I think that argument is right — you carry this with it. A just cause advanced partly by assassins is still a just cause. It is also still assassins.
By late April Mosaddegh was prime minister. The Majlis and Senate approved implementation. The Shah promulgated the law on May 1.
And it was, genuinely, enormously popular. Averell Harriman, Truman’s special representative, reported from Tehran that July that qualified American officials were unanimous: Mosaddegh had the support of a very large majority of Iranians, and no Iranian political program had ever been backed to the extent of the effort to eliminate British influence and nationalize the oil industry.
Now read the next paragraph of that same cable.
Harriman went on to warn that by whipping up public emotion, Mosaddegh had created conditions in which extreme elements — right and communist both — had made it practically impossible for him to retreat. His rigidity, Harriman wrote, came as much from practical political constraint as from temperament.
One American official. One document. Both cases at once.
Mosaddegh had the country behind him, and he had built a position he could no longer climb down from.
Both true. Both stayed true. That’s most of what happens next.
Britain’s Problem
From London, this wasn’t a troublesome foreign parliament passing an annoying law.
Britain had come out of the Second World War victorious and economically wrecked. Its imperial position was collapsing. India was already gone. Abadan and Middle Eastern oil were what remained.
And nationalization set a precedent. If Iran could do this, what stopped anyone else?
American records show that concern was structural, not just Iranian. A U.S. policy assessment stated explicitly that any settlement had to avoid damaging the established pattern of international oil business or creating a harmful precedent for American overseas investment.
That doesn’t prove a global petroleum conspiracy. It proves something more ordinary.
Everybody understood the precedent. Including Iran.
So the fight wasn’t over barrels. It was over jurisdiction.
Pressure Without Invasion
Britain had weapons that didn’t require soldiers.
The company withdrew its technicians. The refinery shut down. And Britain moved to keep Iranian oil out of world markets.
This is the part to pay attention to.
Sovereignty on paper is not sovereignty in practice.
Iran could pass a law declaring that Iran owned Iranian oil.
But if the technicians left…
If the established companies wouldn’t buy it…
If the tankers wouldn’t carry it…
If the insurers wouldn’t cover it…
If the financial system wouldn’t move the money…
Then who actually controlled the resource?
You don’t have to occupy a country to constrain its choices. Sometimes you only need to control the systems its resources move through.
Now, precision, because this cuts both ways. Iran’s economy was not yet as oil-dependent as it later became — economists studying the period note that because of the royalty structure, Iran’s actual share of foreign exchange from oil was relatively small, and oil only became the dominant force in the economy after 1960.
So the embargo did not instantly starve Iran. But production collapsed to roughly four percent of its 1950 level, the government lost revenue it had already budgeted against, and the squeeze tightened every month.
Which was the design. American assessments recorded exactly what London was counting on: that economic and political pressure would bring to power a conservative government which would reverse Mosaddegh’s policies.
The choice facing Mosaddegh was brutal. Keep nationalization and absorb the pain. Or compromise enough to restart the system.
From London he was being stubborn.
From Tehran, a settlement that left foreigners in effective control of supposedly nationalized oil wasn’t nationalization at all.
Both readings can be true.
Only one side was being asked to surrender sovereignty inside its own country.
Then Britain Took Iran to Court
Britain tried another route. It brought the dispute to the International Court of Justice.
Mosaddegh went to The Hague personally and argued.
The image is almost too perfect. A prime minister from a battered Middle Eastern country standing before an international court, arguing that a former imperial power had no authority to turn a dispute between Iran and a corporation into a case between governments.
July 1952. Iran won.
Not on a sweeping judgment about the righteousness of nationalization. On jurisdiction.
By nine votes to five, the Court held it lacked jurisdiction to decide Britain’s case. The 1933 concession — the one Reza Shah had been pressured into signing after burning the first — was an agreement between Iran and a company, not a treaty between two governments. The provisional measures the Court had ordered in Britain’s favor a year earlier lapsed with the judgment.
Legally narrow.
Politically enormous.
Iran had nationalized its oil. Britain had challenged it in front of the world. Britain had lost.
Washington thought so too. Days after the ruling, the State Department assessed that Mosaddegh was in a stronger position against the Shah, the Majlis and the public than at any point since nationalization — while noting that his position inside his own coalition might now be weaker than before.
Hold that second half. It’s the hinge of everything that follows.
If this were a movie about national liberation, the music swells here. The small country stood up. The empire failed to force it backward. The court declined the case.
Roll credits.
The Problem With Winning
Except Mosaddegh had also created an enormous problem.
Iran had the oil. Britain still had the commercial system that oil had to travel through. And the pressure was getting worse.
Meanwhile another fear was growing in Washington. Iran shared a long border with the Soviet Union. The Tudeh Party was active. The Korean War was on. Washington had begun reading instability anywhere near the Soviet frontier as a containment problem.
This produced an ugly convergence.
Britain wanted its oil position back and Mosaddegh gone.
Iranian royalists and domestic opponents wanted Mosaddegh gone for their own reasons.
Americans increasingly feared that economic collapse in Tehran would open a door for Moscow.
Nobody needed the same motive. They only needed to want the same outcome.
Britain had tried negotiation. Economic strangulation. International law.
Mosaddegh was still standing.
And the government in Washington was about to change.
London had one more idea.
This one wouldn’t involve lawyers.
Next Thursday: Part II — The Coup.