Iranian planners chose October 7th
World created Oct 7th 3761 BC
Iran’s role is well documented as a long-term sponsor and partner in the plan, but not as the force that ordered or ran the attack itself on the morning of 7 October 2023.
What is established
Hamas carried out the assault: roughly 1,200 people killed in Israel, most of them civilians, and about 250 taken hostage. Iran has been Hamas’s main state backer for years through the Islamic Revolutionary Guard Corps’ Quds Force — money, weapons, training, and political cover. That relationship is not seriously disputed.
Documents seized by the IDF in Gaza, reported by the New York Times in October 2024 and by Israeli research centers (Meir Amit Intelligence and Terrorism Information Center, and later Israeli officials), show years of coordination:
- Hamas, Iran, and Hezbollah discussed a multi-front campaign aimed at Israel, including after the 2021 Gaza war.
- In December 2022, Hamas military deputy Marwan Issa wrote that Iran had agreed to a special budget of about $7 million a month for a year to prepare for a major confrontation with Israel.
- In July 2023, Hamas official Khalil al-Hayya met senior IRGC commander Mohammed Said Izadi in Lebanon and asked for help striking sensitive Israeli sites in the first hour of an assault. According to the minutes, Izadi said Iran and Hezbollah supported the idea in principle but needed more time “to prepare the environment.”
- Separate records describe Hamas fighters sent to Iran for drone and combat training, and large funding requests (including a $500 million appeal) tied to a plan to “destroy Israel.”
Iran and Hezbollah did not join the attack on 7 October. Hezbollah opened a limited northern front the next day. Iran’s direct missile and drone strikes on Israel came months later, in 2024.
What is disputed or denied
Iran’s official line, including from Supreme Leader Ali Khamenei and its UN mission, is that it had no role in planning, deciding, or executing the 7 October operation. Some Hamas officials said Iran was told only after the attack began.
Early US assessments said key Iranian leaders appeared surprised. In October 2023 an IDF spokesman said Israeli intelligence had no information that Iran initiated or directly assisted the attack, while adding it would be naïve to think Tehran was wholly unaware. A Wall Street Journal report at the time, citing Hamas and Hezbollah sources, claimed Iranian officers helped plan the assault and gave a green light at a Beirut meeting the week before. US officials said they could not corroborate that account.
Some Iranian officials have later made statements that MEMRI and others read as admitting a planning role. Those comments conflict with Tehran’s formal denials.
Bottom line
Iran’s known involvement is the enabling kind: years of funding, training, weapons, and strategic coordination, plus a briefing months beforehand in which an IRGC commander endorsed the concept but asked for more time. The captured record does not show Iran commanding the 7 October operation or confirming the date. US and Israeli official assessments have not established that Tehran ordered the attack or knew the precise timing.
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The 2021 Gaza war was an 11-day conflict between Israel and Hamas (with Palestinian Islamic Jihad) from 10 to 21 May 2021. Israel called it Operation Guardian of the Walls. Hamas called its campaign the Sword of Jerusalem.
How it started
Tension had been building for weeks in Jerusalem during Ramadan. Two flashpoints overlapped.
In Sheikh Jarrah, an East Jerusalem neighborhood, Israeli courts were hearing eviction cases brought by Jewish organizations against Palestinian families. The land had been owned by Jewish trusts before 1948; after 1967 the families were treated as protected tenants. A district court had rejected an appeal against eviction, and protests followed. Israel’s Supreme Court later postponed the cases, but the dispute was already a rallying point.
At the same time, Israeli police and Palestinians clashed repeatedly on the Temple Mount / Haram al-Sharif (Al-Aqsa compound). Hundreds of Palestinians and dozens of officers were injured in the days before the war. Jerusalem Day, the Israeli holiday marking the 1967 capture of the Old City, fell on 10 May, with a nationalist flag march planned through the Old City.
That afternoon Hamas issued an ultimatum: withdraw police from the compound and from Sheikh Jarrah by 6 p.m., or face attack. Minutes after the deadline, Hamas and other Gaza factions fired rockets, including a salvo toward Jerusalem — the first rockets aimed at the city in years. Israel then opened a large air campaign against targets in Gaza.
The fighting
There was no Israeli ground invasion. The IDF struck about 1,500 targets, including rocket crews, command sites, and parts of Hamas’s underground tunnel network (the so-called “metro”). Gaza factions fired roughly 4,300–4,360 rockets and mortars at Israeli cities and towns. The pace was far higher than in 2014: on the order of 400 projectiles a day versus about 130 then. Iron Dome intercepted about 90 percent of rockets headed for populated areas. Several hundred fell short inside Gaza.
Tel Aviv and central Israel took the heaviest barrages in their history. Airports were disrupted. One Israeli soldier, Staff Sgt. Omer Tabib, was killed when an anti-tank missile hit his jeep near the border. Inside Israel, the war also set off serious Jewish–Arab violence in mixed cities such as Lod, Acre, and Jaffa.
Casualties
Figures differ by source because Gaza’s health ministry does not separate civilians from fighters, and Israel’s counts of militants are not fully independently verified.
- Gaza: the Palestinian Ministry of Health reported about 248–254 dead, including 66 children and about 39 women, and roughly 1,900 injured. The UN’s humanitarian office said at least 129 of 248 killed were civilians. Israel said it killed more than 200 fighters, including about 25 senior Hamas and Islamic Jihad commanders.
- Israel: 12 or 13 dead — about 11 civilians (including two children and foreign workers) and one soldier — plus several hundred injured. Almost twice as many Israeli civilians died in these 11 days as in the 51-day 2014 war, which had a ground phase and far higher Israeli military losses.
Thousands of homes and civilian buildings in Gaza were damaged or destroyed. More than 100,000 people were displaced at the peak, many into UNRWA schools.
End and aftermath
An Egyptian-brokered ceasefire, with US involvement under President Biden, took effect at 2 a.m. on 21 May and largely held. Both sides claimed success. Israel pointed to degraded rocket stocks, dead commanders, and tunnel damage without a costly ground entry. Hamas pointed to having struck Jerusalem and central Israel, survived, and forced a stop to the Jerusalem Day march’s original route, and celebrated in Gaza.
The war did not settle the underlying disputes. Sheikh Jarrah cases continued in court. Hamas kept its rule in Gaza and rebuilt its arsenal. Captured Hamas documents later published by Israeli researchers treat the 2021 war as a turning point after which Hamas pressed Iran and Hezbollah harder for money, training, and a coordinated multi-front plan — the track that ran into the 7 October 2023 attack.
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These are the standard “on this day” entries for 7 October, running from the calculated start of the Hebrew calendar to the southern turning point of the American Revolutionary War.
3761 BC — Hebrew calendar epoch. The modern Hebrew calendar’s Anno Mundi count is fixed to a calculated moment, not an observed event. Tradition places the mean new moon (molad) of Tishrei in year 1 at the start of Monday, 5 hours and 204 parts after the sunset that begins the civil day corresponding to 7 October 3761 BC on the proleptic Julian calendar. That is why calendrical tables treat 7 October 3761 BC as the epoch. The year count is a medieval rabbinic calculation of creation, not an archaeological date.
1403 — Battle of Modon. Off Methoni (Modon) in the southwestern Peloponnese, a Venetian squadron under Carlo Zeno beat a Genoese fleet commanded by the French marshal Jean Le Maingre, called Boucicaut. Genoa was then under French control. Each side had about eleven galleys and two larger ships. On the morning of 7 October the Genoese tried to sail north from Sapienza island and were caught. Fighting was heaviest between the flagships; the Venetian round ship Pisana took three Genoese galleys and Boucicaut broke off. Genoese losses are given as about 600 killed and wounded and 300 captured, against 153 Venetian wounded. It was one of the last major clashes of the Venetian–Genoese wars.
1406 — Raid on Jersey. A mixed Castilian, Norman and Breton force, part of the cruise of the Castilian captain Pero Niño, landed in St Aubin’s Bay on the afternoon of 7 October. The familiar summary says 1,000 men-at-arms against 3,000 defenders. Local Jersey sources, drawing on Niño’s chronicler Gutierre Díaz de Games, put the landing party nearer 1,100 and the island force nearer 1,500 foot and 200 horse, so the 3,000 figure is probably inflated. The raiders formed behind a pavise screen and fought a sharp action on the sands; they were beaten and withdrew to their ships.
1477 — Uppsala University. Pope Sixtus IV granted corporate rights in February 1477, at the request of Archbishop Jakob Ulvsson and with the backing of Sten Sture the Elder. The university was inaugurated on 7 October, the first in Scandinavia. Teaching began in theology, law and philosophy on the medieval model.
1513 — Battle of La Motta. In the War of the League of Cambrai, a Spanish–Imperial army under the viceroy Ramón de Cardona, with Fernando d’Ávalos among the commanders, crushed a Venetian army led by Bartolomeo d’Alviano near Schio and Creazzo in the Veneto. Venice’s attempt to recover territory on the mainland failed for the moment, though the republic later recovered much of it by diplomacy.
1542 — Santa Catalina Island. Juan Rodríguez Cabrillo, sailing for Spain up the California coast, sighted and landed on Santa Catalina Island (Pimu to the Tongva) on 7 October. He named it San Salvador after his flagship. It is the first recorded European landing there. Cabrillo died later on the same voyage, in January 1543, after a fall on San Miguel Island in the Channel Islands.
1571 — Battle of Lepanto. The Holy League fleet of Spain, Venice, the Papal States and smaller Italian contingents, under Don John of Austria, met the Ottoman fleet under Müezzinzade Ali Pasha in the Gulf of Patras. Roughly 200 galleys and a handful of larger ships fought on each side. The League’s six Venetian galleasses broke the Ottoman line; Ali Pasha was killed and his flagship taken. The Ottomans lost most of their fleet and tens of thousands of men, including many skilled bowmen and galley crews. It was the last great battle fought almost entirely by oared galleys, and the first major Ottoman naval defeat in the Mediterranean. The Ottomans rebuilt a fleet within a year, but Lepanto checked their western advance and became a symbol of Catholic Europe.
1582 — The day that did not happen. Pope Gregory XIII’s reform dropped ten days so that the spring equinox would fall again near 21 March. In Italy, Poland, Portugal and Spain, Thursday 4 October 1582 was followed by Friday 15 October. The 7th, with the 5th, 6th and 8th–14th, was simply omitted. France waited until December, and Protestant countries for decades or centuries. Britain and its colonies adopted the reform only in 1752.
1691 — Massachusetts Bay charter. William III and Mary II issued a new royal charter for the Province of Massachusetts Bay, folding in Plymouth Colony and territories that became Maine, and replacing the revoked 1629 charter of the old Massachusetts Bay Company. The governor was now a royal appointee. It remained the colony’s constitution until the 1770s.
1763 — Royal Proclamation. After the Treaty of Paris ended the Seven Years’ War, George III drew a line along the Appalachian watershed and reserved the lands north and west of it for Indigenous nations, pending Crown purchase. Settlement, surveys and private land grants beyond the line were forbidden. The aim was to limit costly frontier wars and to keep the interior under imperial control. Colonists who had fought for that territory treated the line as a grievance, and it became one of the background causes of the American Revolution. In Canada the proclamation is still cited in Indigenous land-rights cases.
1777 — Bemis Heights (Second Saratoga). General John Burgoyne’s British army, trying to reach Albany, attacked the American lines on Bemis Heights under Horatio Gates, with Benedict Arnold forcing the decisive counter-attack. The British were driven back and lost General Simon Fraser, mortally wounded. Burgoyne surrendered the remains of his army ten days later, on 17 October. The victory brought France into open alliance with the United States.
1780 — Kings Mountain. In the southern campaign, about 900 Patriot militia from the Carolina and Virginia backcountry surrounded and destroyed a Loyalist force of similar size under British Major Patrick Ferguson on a rocky ridge on the Carolina border. Ferguson was killed; Loyalist losses were roughly 150 dead, 150 wounded and 600 captured, against about 90 Patriot casualties. It broke the left wing of Cornwallis’s advance, checked Loyalist recruitment, and is usually treated as the turning point of the war in the South.
