Research summary
Research summary
Topic summary
Competing claims about how the Gaza war started and what came before October 7.
Key research questions
- Research this topic from public information: What are the origins of the War in Gaza.
Important claims and supporting citations
An IDF investigation, published in July 2024, found that the planning of the Hamas attack began seven or eight years earlier, but Israeli military intelligence missed both early and later signs.
Yahya Sinwar reportedly said Israel's internal disputes and protests were melting "the glue that keeps together the pillars of the [Israeli] entity," making it "weaker than a spider's web," referencing the 2023 judicial-overhaul crisis and mass reservist protest.
Thousands of Hamas-led terrorists burst through the Gaza border and carried out a deadly assault in southern Israel, killing approximately 1,200 people and seizing 251 hostages.
Approximately 3,000 militants, primarily from Hamas's Al-Qassam Brigades, along with Palestinian Islamic Jihad and smaller groups, breached the Gaza-Israel barrier at multiple points by land, air (paragliders), and sea during the October 7, 2023 attack.
The October 7, 2023 attack occurred on Simchat Torah/Shemini Atzeret, a Jewish holiday, exactly 50 years after the 1973 Yom Kippur War.
On October 9, 2023, Defense Minister Yoav Gallant ordered a "complete siege" of Gaza, which involved cutting off electricity, food, and fuel.
On October 7, 2023, Hamas initiated "Operation Al-Aqsa Flood" (or Storm) around 6:29 a.m., launching 3,000–5,000 rockets into Israel within 20 minutes.
During the October 7, 2023 attack, militants targeted military bases, kibbutzim, towns, and the Nova music festival.
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Yahya Sinwar, a Gaza Hamas leader, spent over 20 years in Israeli prisons.
Yahya Sinwar, a Gaza Hamas leader, spent over 20 years in Israeli prisons.
Labels: Source-linked, Medium
Gaza Strip History and Administration
Gaza Strip History and Administration
Labels: Inferred, Low
October 7, 2023 Attack Details
October 7, 2023 Attack Details
Labels: Inferred, Low
Hamas Strategy and Planning for October 7
Hamas Strategy and Planning for October 7
Labels: Inferred, Low
A Hebrew University study by Dr.
A Hebrew University study by Dr. Daniel Sobelman, based on seized top-secret Hamas documents, found Hamas's strategy shifted from defensive to offensive.
Labels: Inferred, Medium, known
A RUSI assessment found that Hamas fighters "deviated significantly from their own plan" during the October 7…
A RUSI assessment found that Hamas fighters "deviated significantly from their own plan" during the October 7 attack.
Labels: Inferred, High, known
The current war in Gaza, also known as the Israel-Hamas war, started on October 7, 2023, with a surprise atta…
The current war in Gaza, also known as the Israel-Hamas war, started on October 7, 2023, with a surprise attack led by Hamas on Israel, which was followed by Israel's military response.
Labels: Inferred, Medium
An IDF investigation, published in July 2024, found that the planning of the Hamas attack began seven or eigh…
An IDF investigation, published in July 2024, found that the planning of the Hamas attack began seven or eight years earlier, but Israeli military intelligence missed both early and later signs.
Labels: Source-linked, High, known
Following the creation of Israel in 1948, hundreds of thousands of Palestinians fled or were expelled from th…
Following the creation of Israel in 1948, hundreds of thousands of Palestinians fled or were expelled from their homes.
Labels: Inferred, High
Thousands of Hamas-led terrorists burst through the Gaza border and carried out a deadly assault in southern…
Thousands of Hamas-led terrorists burst through the Gaza border and carried out a deadly assault in southern Israel, killing approximately 1,200 people and seizing 251 hostages.
Labels: Source-linked, High
Approximately 3,000 militants, primarily from Hamas's Al-Qassam Brigades, along with Palestinian Islamic Jiha…
Approximately 3,000 militants, primarily from Hamas's Al-Qassam Brigades, along with Palestinian Islamic Jihad and smaller groups, breached the Gaza-Israel barrier at multiple points by land, air (paragliders), and sea during the October 7, 2023 attack.
Labels: Source-linked, High
Two days before the October 7, 2023, attack, two commando companies were moved from the Gaza border to the We…
Two days before the October 7, 2023, attack, two commando companies were moved from the Gaza border to the West Bank, leaving the military at Re'im undermanned and out of position.
Labels: Inferred, High
The current war in Gaza is the latest and deadliest phase in a longer Israeli-Palestinian conflict, with hist…
The current war in Gaza is the latest and deadliest phase in a longer Israeli-Palestinian conflict, with historical roots dating back to the early 20th century, the 1948 war, the 1967 occupation of Gaza, Hamas's takeover in 2006-2007, and the subsequent blockade.
Labels: Source-linked, Medium
On October 7, 2023, Hamas initiated "Operation Al-Aqsa Flood" (or Storm) around 6:29 a.m., launching 3,000–5,…
On October 7, 2023, Hamas initiated "Operation Al-Aqsa Flood" (or Storm) around 6:29 a.m., launching 3,000–5,000 rockets into Israel within 20 minutes.
Labels: Source-linked, Medium
Many Palestinians who fled or were expelled in 1948 settled in the Gaza Strip.
Many Palestinians who fled or were expelled in 1948 settled in the Gaza Strip.
Labels: Inferred, Medium
Israeli media reported that the October 7 onslaught was originally planned for the first night of Passover.
Israeli media reported that the October 7 onslaught was originally planned for the first night of Passover.
Labels: Source-linked, Medium, known
Hamas Politburo member Khalil al-Hayya stated in 2021, "We are not a defensive resistance but an offensive on…
Hamas Politburo member Khalil al-Hayya stated in 2021, "We are not a defensive resistance but an offensive one."
Labels: Inferred, Medium, known
The October 7, 2023 attack occurred on Simchat Torah/Shemini Atzeret, a Jewish holiday, exactly 50 years afte…
The October 7, 2023 attack occurred on Simchat Torah/Shemini Atzeret, a Jewish holiday, exactly 50 years after the 1973 Yom Kippur War.
Labels: Source-linked, High
Hamas's Gaza leadership under Yahya Sinwar viewed the May 2021 "Sword of Jerusalem" campaign (Israel's Operat…
Hamas's Gaza leadership under Yahya Sinwar viewed the May 2021 "Sword of Jerusalem" campaign (Israel's Operation Guardian of the Walls) as a strategic victory and began formulating the "decisive campaign" from that point.
Labels: Inferred, Medium
The core argument of the Hebrew University study is that Hamas viewed structural strategic conditions in the…
The core argument of the Hebrew University study is that Hamas viewed structural strategic conditions in the Middle East as a realistic opportunity to militarily defeat Israel and cause its collapse.
Labels: Inferred, Medium
Original planning documents for the October 7 attack showed Hamas intended to fortify seized positions and us…
Original planning documents for the October 7 attack showed Hamas intended to fortify seized positions and use hostages to complicate an IDF counterattack.
Labels: Inferred, High
The Hebrew University study found Hamas hoped to trap its allies into war, but Iran and Hezbollah were "deepl…
The Hebrew University study found Hamas hoped to trap its allies into war, but Iran and Hezbollah were "deeply surprised" by the timing and scale of the October 7 attack.
Labels: Inferred, High, known
Based on captured Hamas documents, Hamas ran a deliberate deception plan by avoiding direct confrontation, co…
Based on captured Hamas documents, Hamas ran a deliberate deception plan by avoiding direct confrontation, containing tactical incidents, and creating a false impression of focusing on internal affairs and Gaza's economy.
Labels: Inferred, High, known
During the October 7, 2023 attack, militants targeted military bases, kibbutzim, towns, and the Nova music fe…
During the October 7, 2023 attack, militants targeted military bases, kibbutzim, towns, and the Nova music festival.
Labels: Source-linked, Medium
The chaotic massacre on October 7, carried out in large part by approximately 1,000 Gazans who followed the H…
The chaotic massacre on October 7, carried out in large part by approximately 1,000 Gazans who followed the Hamas strike force, diverted efforts to prepare a deliberate defense.
Labels: Inferred, High
Israel's cabinet declared war on October 8, 2023, which was the first such declaration since 1973.
Israel's cabinet declared war on October 8, 2023, which was the first such declaration since 1973.
Labels: Source-linked, Medium, known
Israel launched "Operation Swords of Iron" with airstrikes and subsequently a ground invasion, which began on…
Israel launched "Operation Swords of Iron" with airstrikes and subsequently a ground invasion, which began on October 27.
Labels: Source-linked, Medium
The UN Relief and Works Agency (UNRWA) was established in 1949 to assist Palestinian refugees.
The UN Relief and Works Agency (UNRWA) was established in 1949 to assist Palestinian refugees.
Labels: Source-linked, Medium, known
Israel captured the Gaza Strip from Egypt during the 1967 Six-Day War.
Israel captured the Gaza Strip from Egypt during the 1967 Six-Day War.
Labels: Source-linked, Medium, known
Yahya Sinwar reportedly said Israel's internal disputes and protests were melting "the glue that keeps togeth…
Yahya Sinwar reportedly said Israel's internal disputes and protests were melting "the glue that keeps together the pillars of the [Israeli] entity," making it "weaker than a spider's web," referencing the 2023 judicial-overhaul crisis and mass reservist protest.
Labels: Source-linked, High, known
Israel and Egypt imposed a comprehensive land, air, and sea blockade on Gaza in 2007.
Israel and Egypt imposed a comprehensive land, air, and sea blockade on Gaza in 2007.
Labels: Inferred, High, known
Hamas discussed scenarios where the October 7 attack, combined with Hezbollah action and unrest in Israel and…
Hamas discussed scenarios where the October 7 attack, combined with Hezbollah action and unrest in Israel and the West Bank, could "quickly collapse" Israel's military and domestic front.
Labels: Inferred, High
On October 9, 2023, Defense Minister Yoav Gallant ordered a "complete siege" of Gaza, which involved cutting…
On October 9, 2023, Defense Minister Yoav Gallant ordered a "complete siege" of Gaza, which involved cutting off electricity, food, and fuel.
Labels: Source-linked, High, known
Hamas defeated the rival Fatah party in the 2006 Palestinian Legislative Council elections.
Hamas defeated the rival Fatah party in the 2006 Palestinian Legislative Council elections.
Labels: Source-linked, Medium, known
Hamas seized full military and administrative control of the Gaza Strip in June 2007.
Hamas seized full military and administrative control of the Gaza Strip in June 2007.
Labels: Source-linked, Medium
The Gaza Strip was administered by Egypt from 1948 until 1967.
The Gaza Strip was administered by Egypt from 1948 until 1967.
Labels: Inferred, Medium, known
The 2005 disengagement plan involved withdrawing all Israeli settlers and ground forces from inside the Gaza…
The 2005 disengagement plan involved withdrawing all Israeli settlers and ground forces from inside the Gaza Strip.
Labels: Source-linked, Medium
Israel stated the 2007 blockade was necessary to prevent weapons smuggling.
Israel stated the 2007 blockade was necessary to prevent weapons smuggling.
Labels: Inferred, Medium, known
The Hamas takeover of Gaza in June 2007 followed months of violent clashes between Hamas and Fatah.
The Hamas takeover of Gaza in June 2007 followed months of violent clashes between Hamas and Fatah.
Labels: Inferred, Medium
After the 2005 disengagement, Israel maintained control over Gaza's airspace, territorial waters, and border…
After the 2005 disengagement, Israel maintained control over Gaza's airspace, territorial waters, and border crossings.
Labels: Source-linked, Medium