| Time | Location | Event | Present |
|---|
 1983 | Peshawar, Pakistan | Wadih El Hage meets Atef | Wadih El Hage, Mohammed Atef |
| Late 1989 | Farouq training camp, Near Khost, Paktia, Afghanistan | Al-Qaeda gains first members | Abu Ayoub al-Iraqi (Leader), Jamal Ahmed al-Fadl, Abu Ubaidah al-Banshiri, Mohammed Atef |
| 1992 | Somalia | Mohammed Atef returns from Somalia | Mohammed Atef |
| 1992 | Khartoum, Sudan | (Arrival) |
| 1992 | Khartoum, Sudan | Mohammed Atef goes to Somalia | Mohammed Atef |
| 1992 | Somalia | (Arrival) |
| Early 1993 | Khartoum, Sudan | Essam al-Ridi meets with Osama bin Laden | Essam al-Ridi, Wadih El Hage, Osama bin Laden, Mohammed Atef, Mamdouh Mahmud Salim,  Abu Ubaidah al-Banshiri |
| Spring 1993 | Somalia | Atef and others train Somali tribes | Mohammed Atef (Trainer), Abu Ubaidah al-Banshiri (Trainer), Mohamed Sadeek Odeh (Trainer), Fazul Abdullah Mohammed (Trainer), Abdullah Ahmed Abdullah (Trainer), Saif al-Adel (Trainer), Mushin Musa Matwalli Atwah (Trainer), Ahmed Mohammed Hamed Ali (Trainer) |
| Mid 1993 | Guesthouse, Khartoum, Sudan | Atef describes Somalia to associates in Sudan | Mohammed Atef (Speaker), Jamal Ahmed al-Fadl |
| 1994 | Mombasa, Kenya | Atef and al-Banshiri meet with Odeh | Mohammed Atef, Abu Ubaidah al-Banshiri, Mohamed Sadeek Odeh |
| 1995 | Sudan | KSM visits Atef in Sudan | Khalid Shaikh Mohammed, Mohammed Atef |
| Early 1995 | Nairobi, Kenya | Atef and El Hage go to Mombasa | Mohammed Atef, Wadih El Hage |
| Early 1995 | Mombasa, Kenya | Arrived via car |
| Jan. 5, 1996 | Afghanistan | Atef in Afghanistan |  Mohammed Atef |
| May 19, 1996 | Khartoum, Sudan | Osama bin Laden goes to Afghanistan | Osama bin Laden, Mohammed Atef |
| Late January 1997 | Peshawar, Pakistan | Wadih El Hage meets with Atef in Peshawar | Wadih El Hage, Mohammed Atef |
| May 7, 1998 | Afghanistan | Atef writes to Khalid al Fawwaz | Mohammed Atef (Sender) |
| May 26, 1998 | Zawar Kili, Near Khost, Paktia, Afghanistan | Osama bin Laden holds press conference | Osama bin Laden (Speaker), Mohammed Atef, Mohamed Rashed Daoud Al-Owhali, Ayman al-Zawahiri |
| Spring 1999 | Kandahar, Kandahar, Afghanistan | Bin Laden meets with KSM regarding planes operation | Osama bin Laden, Khalid Shaikh Mohammed, Mohammed Atef |
| Early December 1999 | Kandahar, Kandahar, Afghanistan | Atef meets with Hamburg cell | Mohammed Atef, Mohamed Atta, Ziad Jarrah, Ramzi Binalshibh |
| October 2000 | Kandahar, Kandahar, Afghanistan | Nami and Hamlan meet Atef | Mohammed Atef (Leader), Mushabib al Hamlan, Ahmed al-Nami |
| January 2001 | Tarnak Farms, Kandahar, Kandahar, Afghanistan | Bin Laden son marries Atef daughter | Osama bin Laden, Mohammed Atef, Ayman al-Zawahiri, Mohammed bin Laden |
| Nov. 14, 2001 | Near Kabul, Afghanistan | Mohammed Atef killed | Mohammed Atef (Primary Target) |
