OCTOBER 12, 2004

Following a meal, Yasser Arafat becomes violently ill with nausea, vomiting, and abdominal pain. His personal physician, Dr Omar Dakka, examines him and decides it is another bout of a flu Arafat contracted a year ago.

Image: The late Palestinian president Yasser Arafat. [Getty Images]

OCTOBER 17, 2004

Egyptian doctors are called to Ramallah to visit Arafat.

Image: Yasser Arafat's Mukata headquarters in Ramallah. [Getty Images]

OCTOBER 20, 2004

Arafat's blood platelet count - a crucial health indicator - suddenly nosedives.

Image: File photo of Arafat smiling as he welcomes Palestinian children on a summer camp outing on July 10, 2003. [Getty Images]

OCTOBER 26, 2004

Arafat's blood platelet level falls again. Tunisian and Egyptian doctors are called to examine Arafat in Ramallah.

Image: Arafat sits with Jordanain, Egyptian and Tunisian medical staff on October 28, 2004 in Ramallah. [Getty Images]

OCTOBER 29, 2004

Yasser Arafat arrives in Paris for medical treatment at the Percy Military Hospital.

Image: A Jordanian helicopter transports Arafat from his Mukata headquarters in Ramallah to Paris via Amman. October 29, 2004. [Getty Images]

NOVEMBER 2, 2004

French doctors test Arafat for HIV using two separate methods, both results are negative.

Image: HIV results returned negative. [Al Jazeera]

NOVEMBER 4, 2004

Arafat falls into a coma.

Image: Palestinian supporters hold candles and portraits outside Percy Military Hospital in France. November 4, 2004. [Getty Images]

NOVEMBER 4, 2004

Suspecting poisoning, Dr Saeb Erekat claims to call the US Consul General in Jerusalem to request the US government ask the Israeli government for an antidote.

Image: Palestinian Prime Minister Ahmed Qurei (C) and senior peace negotiator Saeb Erekat (front R) walk with aides and bodyguards in Ramallah. October 29, 2004. [Getty Images]

NOVEMBER 5, 2004

French Defence Ministry carries out its own analysis on Arafat's condition.

Read the French Defence Ministry Analysis from Al Jazeera's exclusive What Killed Arafat investigation.

Image: Newspaper stand displaying pictures of Palestinian leader Yasser Arafat. November 5, 2004. [Getty Images]

NOVEMBER 6, 2004

French doctors carry out toxicological analysis, which finds nothing unusual.

Read the toxicological report from Al Jazeera's exclusive What Killed Arafat investigation.

Image: Toxicological report. [Al Jazeera]

NOVEMBER 8, 2004

French doctors draw a litre of Arafat's urine for radiological testing, but find nothing. The tests measure Gamma activity only. Polonium 210 is an Alpha-emitting particle.

Read the radiological report from Al Jazeera's exclusive What Killed Arafat investigation.

Image: Radiological report. [Al Jazeera]

NOVEMBER 9, 2004

Palestinian official Nabil Shaath says in a press conference in France that, "The doctors today ruled out completely poisoning, so we can also rule out that cause as well."

Image: Nabil Shaath (C) standing next to Mahmoud Abbas (L) and Ahmed Qurei (R) as they speak to the press about the worsening condition of Yasser Arafat on November 9, 2004 in Paris, France. [Getty Images]

NOVEMBER 11, 2004

Arafat dies.

Image: A poster of Palestinian leader Yasser Arafat on a building in Gaza City. [Getty Images]

NOVEMBER 12, 2004

Funeral ceremony held in the Egyptian capital, Cairo. Later Palestinians hold another ceremony in Ramallah in the Palestinian territories, where Arafat is buried.

Image: Palestinian security forces cry over the grave of Yasser Arafat at his Muqaata headquarters in Ramallah. November 12, 2004. [Getty Images]

NOVEMBER 17, 2004

French doctors complete their haematology report.

Read the blood report from Al Jazeera's exclusive What Killed Arafat investigation.

Image: Arafat's blood report. [Al Jazeera]

NOVEMBER 18, 2004

French doctors complete their hospitalisation report.

Read the hospitalisation report from Al Jazeera's exclusive What Killed Arafat investigation.

Image: Arafat's hospitalisation report. [Al Jazeera]

NOVEMBER 23, 2006

Former Russian KGB officer, Alexander Litvinenko, dies of polonium poisoning in London.

Image: Litvinenko at the Intensive Care Unit of University College Hospital on November 20, 2006 in London, England. [Getty Images]

SEPTEMBER 29, 2010

During Fatah's 6th conference, leaders decide to appoint Tawfik Tirawi as head of the Palestinian investigation into the death of Yasser Arafat. The investigation was initiated soon after Arafat died, but made no breakthroughs.

Image: Palestinian officials mark the sixth anniversary of the death of late Palestinian President Yasser Arafat on November 11, 2010 in Ramallah, West Bank. [Getty Images]

FEBRUARY 7, 2012

Suha Arafat provides Al Jazeera with Yasser Arafat's entire medical file and x-rays, as well as a gym bag containing Yasser Arafat's last personal belongings that accompanied him when he died in France. The files and gym bag are taken to the Center for Legal Medicine and Institute of Radiophysics in Switzerland, who begin a rigorous scientific and forensic review of all material.

Image: Arafat's final possessions were kept in this gym bag [Al Jazeera]

MARCH 23, 2012

Suha Arafat delivers a letter to the French hospital where her husband died, asking that his stored biological samples, including blood and urine, be made available to the Swiss laboratories for new forensic tests.

Image: The wife of the late Yasser Arafat [Al Jazeera]

APRIL 2, 2012

French authorities reply to Suha Arafat that her late husband's medical samples were destroyed in 2008. They claim they were destroyed because "no one had asked for them."

Image: Letter from French authorities. [Al Jazeera]

MAY 11, 2012

The Institute of Radiophysics in Lausanne, Switzerland, writes its final report, which finds significant levels of radioactive Polonium 210 in Arafat's belongings.

Read the final report from the Institute of Radiophysics in Switzerland

Image: Contents of the final report. [Al Jazeera]

JULY 3, 2012

Al Jazeera broadcasts "What Killed Arafat?", revealing the presence of high levels of polonium in the blood and urine stains found on Yasser Arafat's clothes when he died. Yasser Arafat's wife, Suha, begins a campaign to get her husband's body exhumed for testing. Arafat's nephew, Nasser Qudwa, publicly opposes an exhumation.

JULY 6, 2012

Palestinian President Mahmoud Abbas raises the issue of Arafat's death at a meeting in Paris with French President Francois Hollande. Abbas asks for any extra information not yet released by the French government.

Image: Hollande (L) meets Abbas (R) in Paris. [Getty Images]

JULY 22, 2012

Palestinian leaders present a plan to the Arab League in Doha, Qatar to investigate Yasser Arafat's death. They intend to propose to the United Nations Security Council that a commission of inquiry be established, similar to that which investigated the killing of Lebanese Prime Minister Rafik Hariri.

Image: Abbas meeting with Qatar's Foreign Minister in Doha. [Getty Images]

JULY 31, 2012

Suha Arafat's legal team files a criminal complaint with a French judge.

Image: Suha Arafat's legal team. [Al Jazeera]

AUGUST 28, 2012

France opens a murder inquiry, appointing three prosecutors to investigate the case.

Image: France's high court. [Al Jazeera]

SEPTEMBER 25, 2012

French detectives search the building where Arafat died, focusing on the labs that had tested him.

Image: Inside France's Percy Military Hospital. [Al Jazeera]

NOVEMBER 5, 2012

The Swiss scientists visit Ramallah to prepare for the exhumation.

Image: Team of Swiss scientists in Ramallah [Al Jazeera]

NOVEMBER 10, 2012

Nasser Qudwa publicly calls for the exhumation of Yasser Arafat to be blocked. Despite his plea, that night Palestinian leaders meet and agree to go ahead.

Image: Nasser Qudwa, nephew of late Yasser Arafat. [Al Jazeera]

NOVEMBER 11, 2012

Eight years since the death of Yasser Arafat. At an event to mark the anniversary, Mahmoud Abbas announces that a Russian team of scientists will also take part in the exhumation, along with the Swiss scientists and French investigators.

Image: Mahmoud Abbas addressing the press on the eighth anniversary of Yasser Arafat's death. [Al Jazeera]

NOVEMBER 13, 2012

Al Jazeera's team realises they are under surveillance.

Image: Al Jazeera team being followed by Palestinian security forces in Ramallah. [Al Jazeera]

NOVEMBER 14, 2012

An intruder searches the hotel room of Al Jazeera's team.

Image: Hidden camera catches a shot of a member of the Palestinian security forces in Al Jazeera's hotel room. [Al Jazeera]

NOVEMBER 19, 2012

Al Jazeera's team confronts their pursuers.

Image: Al Jazeera's Clayton Swisher confronts agents outside of hotel. [Al Jazeera]

NOVEMBER 26, 2012

Final preparations are made for the exhumation. Digging begins.

Image: The scene outside Arafat's tomb. [Al Jazeera]

NOVEMBER 27, 2012

Palestinian pathologist Dr Saber Al Aloul takes 60 samples from Arafat's body and distributes 20 to the Russian, French and Swiss teams. Work ends at about 5am.

Image: Palestinian pathologist Dr Saber Al Aloul. [Al Jazeera]

APRIL 29, 2013

An Arab League delegation visits Washington. During the visit, Palestinian leaders are reported to agree to halt plans to join the International Criminal Court. It means that if it is proven that Arafat was murdered, the case cannot go to The Hague.

Image: US Secretary of State John Kerry meeting with Arab League delegates in Washington. [Reuters]

OCTOBER 12, 2013

The Lancet, a leading British medical journal, supports the possibility that Arafat was poisoned, in a peer review of last year's research by Swiss scientists.

NOVEMBER 6, 2013

Al Jazeera reveals the details of the investigation into the Palestinian leader's death.